791440016 has 20 divisors (see below), whose sum is σ = 1534215792. Its totient is φ = 395513376.

The previous prime is 791439991. The next prime is 791440021. The reversal of 791440016 is 610044197.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21455 + ... + 45201.

Almost surely, 2^791440016 is an apocalyptic number.

It is an amenable number.

791440016 is a deficient number, since it is larger than the sum of its proper divisors (742775776).

791440016 is a wasteful number, since it uses less digits than its factorization.

791440016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25838 (or 25832 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 791440016 is about 28132.5437171970. The cubic root of 791440016 is about 924.9948929837.

The spelling of 791440016 in words is "seven hundred ninety-one million, four hundred forty thousand, sixteen".