790545840 has 160 divisors (see below), whose sum is σ = 2809105920. Its totient is φ = 180160512.

The previous prime is 790545839. The next prime is 790545859. The reversal of 790545840 is 48545097.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 790545792 and 790545801.

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, 955507 + ... + 956333.

It is an arithmetic number, because the mean of its divisors is an integer number (17556912).

Almost surely, 2^790545840 is an apocalyptic number.

790545840 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 790545840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404552960).

790545840 is an abundant number, since it is smaller than the sum of its proper divisors (2018560080).

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

790545840 is a wasteful number, since it uses less digits than its factorization.

790545840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419 (or 1413 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 790545840 is about 28116.6470262725. The cubic root of 790545840 is about 924.6464058785.

The spelling of 790545840 in words is "seven hundred ninety million, five hundred forty-five thousand, eight hundred forty".