790811656440 has 128 divisors (see below), whose sum is σ = 2571204202560. Its totient is φ = 193421389824.

The previous prime is 790811656429. The next prime is 790811656447. The reversal of 790811656440 is 44656118097.

It is a super-2 number, since 2×790811656440² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (790811656447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1369509 + ... + 1859348.

Almost surely, 2^790811656440 is an apocalyptic number.

It is an amenable number.

790811656440 is an abundant number, since it is smaller than the sum of its proper divisors (1780392546120).

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

790811656440 is a wasteful number, since it uses less digits than its factorization.

790811656440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3229041 (or 3229037 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 790811656440 in words is "seven hundred ninety billion, eight hundred eleven million, six hundred fifty-six thousand, four hundred forty".