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40340684800 = 2175213947
BaseRepresentation
bin100101100100011111…
…100000000000000000
310212010102010010012001
4211210133200000000
51130104203403200
630310544513344
72625452106643
oct454437400000
9125112103161
1040340684800
11161212a0629
12799a01b854
133a5b8267c0
141d49931a5a
1510b188076a
hex9647e0000

40340684800 has 216 divisors, whose sum is σ = 107854018776. Its totient is φ = 14879293440.

The previous prime is 40340684773. The next prime is 40340684831. The reversal of 40340684800 is 848604304.

It is a self number, because there is not a number n which added to its sum of digits gives 40340684800.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42597927 + ... + 42598873.

It is an arithmetic number, because the mean of its divisors is an integer number (499324161).

Almost surely, 240340684800 is an apocalyptic number.

40340684800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40340684800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53927009388).

40340684800 is an abundant number, since it is smaller than the sum of its proper divisors (67513333976).

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

40340684800 is an frugal number, since it uses more digits than its factorization.

40340684800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 37.

The spelling of 40340684800 in words is "forty billion, three hundred forty million, six hundred eighty-four thousand, eight hundred".