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11440334420 = 225678537563
BaseRepresentation
bin10101010011110010…
…11010011001010100
31002112022000012111122
422221321122121110
5141412211200140
65131114023112
7553334144444
oct125171323124
932468005448
1011440334420
114940852639
122273417a98
13110421ba68
147a7574124
1546e56dab5
hex2a9e5a654

11440334420 has 24 divisors (see below), whose sum is σ = 24383282784. Its totient is φ = 4507832736.

The previous prime is 11440334419. The next prime is 11440334429. The reversal of 11440334420 is 2443304411.

11440334420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11440334420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11440334429) 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 7 ways as a sum of consecutive naturals, for example, 4267442 + ... + 4270121.

It is an arithmetic number, because the mean of its divisors is an integer number (1015970116).

Almost surely, 211440334420 is an apocalyptic number.

11440334420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11440334420 is an abundant number, since it is smaller than the sum of its proper divisors (12942948364).

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

11440334420 is a wasteful number, since it uses less digits than its factorization.

11440334420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537639 (or 8537637 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 11440334420 its reverse (2443304411), we get a palindrome (13883638831).

The spelling of 11440334420 in words is "eleven billion, four hundred forty million, three hundred thirty-four thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 8537563 17075126 34150252 42687815 85375630 170751260 572016721 1144033442 2288066884 2860083605 5720167210 11440334420