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530440005540 = 223542712069929
BaseRepresentation
bin1111011100000001011…
…00000010011110100100
31212201011021110012202010
413232000230002132210
532142320120134130
61043403014114220
753215540440234
oct7560054023644
91781137405663
10530440005540
11194a5a611175
128697734b970
133b035720683
141b95dc87cc4
15dbe81c40b0
hex7b80b027a4

530440005540 has 48 divisors (see below), whose sum is σ = 1485580481280. Its totient is φ = 141417480960.

The previous prime is 530440005527. The next prime is 530440005547. The reversal of 530440005540 is 45500044035.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 530440005498 and 530440005507.

It is not an unprimeable number, because it can be changed into a prime (530440005547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 778705 + ... + 1291224.

It is an arithmetic number, because the mean of its divisors is an integer number (30949593360).

Almost surely, 2530440005540 is an apocalyptic number.

It is an amenable number.

530440005540 is an abundant number, since it is smaller than the sum of its proper divisors (955140475740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

530440005540 is a wasteful number, since it uses less digits than its factorization.

530440005540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074212 (or 2074210 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

Adding to 530440005540 its reverse (45500044035), we get a palindrome (575940049575).

The spelling of 530440005540 in words is "five hundred thirty billion, four hundred forty million, five thousand, five hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 4271 8542 12813 17084 21355 25626 42710 51252 64065 85420 128130 256260 2069929 4139858 6209787 8279716 10349645 12419574 20699290 24839148 31048935 41398580 62097870 124195740 8840666759 17681333518 26522000277 35362667036 44203333795 53044000554 88406667590 106088001108 132610001385 176813335180 265220002770 530440005540