790436640 has 192 divisors, whose sum is σ = 2904249600. Its totient is φ = 180633600.

The previous prime is 790436623. The next prime is 790436659. The reversal of 790436640 is 46634097.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162240 + ... + 167040.

It is an arithmetic number, because the mean of its divisors is an integer number (15126300).

Almost surely, 2^790436640 is an apocalyptic number.

790436640 is a gapful number since it is divisible by the number (70) 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 790436640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1452124800).

790436640 is an abundant number, since it is smaller than the sum of its proper divisors (2113812960).

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

790436640 is a wasteful number, since it uses less digits than its factorization.

790436640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4840 (or 4818 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 790436640 is about 28114.7050491375. The cubic root of 790436640 is about 924.6038293733.

It can be divided in two parts, 7904 and 36640, that added together give a palindrome (44544).

The spelling of 790436640 in words is "seven hundred ninety million, four hundred thirty-six thousand, six hundred forty".