8640890737344 has 140 divisors (see below), whose sum is σ = 27121031314344. Its totient is φ = 2710867654656.

The previous prime is 8640890737321. The next prime is 8640890737351. The reversal of 8640890737344 is 4437370980468.

It is a happy number.

8640890737344 is a `hidden beast` number, since 8 + 6 + 408 + 90 + 73 + 73 + 4 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 48936534 + ... + 49112789.

Almost surely, 2^{8640890737344} is an apocalyptic number.

It is an amenable number.

8640890737344 is an abundant number, since it is smaller than the sum of its proper divisors (18480140577000).

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

8640890737344 is a wasteful number, since it uses less digits than its factorization.

8640890737344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98049364 (or 98049345 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 63.

The spelling of 8640890737344 in words is "eight trillion, six hundred forty billion, eight hundred ninety million, seven hundred thirty-seven thousand, three hundred forty-four".