780492480 has 56 divisors (see below), whose sum is σ = 2478066672. Its totient is φ = 208131072.

The previous prime is 780492473. The next prime is 780492529. The reversal of 780492480 is 84294087.

It is a super-2 number, since 2×780492480² = 1218337022673100800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 405547 + ... + 407466.

Almost surely, 2^780492480 is an apocalyptic number.

It is an amenable number.

780492480 is an abundant number, since it is smaller than the sum of its proper divisors (1697574192).

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

780492480 is a wasteful number, since it uses less digits than its factorization.

780492480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813033 (or 813023 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 42.

The square root of 780492480 is about 27937.2955026073. The cubic root of 780492480 is about 920.7101007919.

The spelling of 780492480 in words is "seven hundred eighty million, four hundred ninety-two thousand, four hundred eighty".