240990467194656 has 72 divisors (see below), whose sum is σ = 685445877305280. Its totient is φ = 80315007163776.

The previous prime is 240990467194597. The next prime is 240990467194703. The reversal of 240990467194656 is 656491764099042.

It is a happy number.

240990467194656 is a `hidden beast` number, since 2 + 4 + 0 + 9 + 90 + 4 + 6 + 71 + 9 + 465 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77368876 + ... + 80423403.

It is an arithmetic number, because the mean of its divisors is an integer number (9520081629240).

Almost surely, 2^{240990467194656} is an apocalyptic number.

It is an amenable number.

240990467194656 is an abundant number, since it is smaller than the sum of its proper divisors (444455410110624).

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

240990467194656 is a wasteful number, since it uses less digits than its factorization.

240990467194656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157797598 (or 157797587 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 72.

The spelling of 240990467194656 in words is "two hundred forty trillion, nine hundred ninety billion, four hundred sixty-seven million, one hundred ninety-four thousand, six hundred fifty-six".