409660715916 has 24 divisors (see below), whose sum is σ = 1062083337840. Its totient is φ = 136553571936.

The previous prime is 409660715903. The next prime is 409660715927. The reversal of 409660715916 is 619517066904.

It is a happy number.

409660715916 is a `hidden beast` number, since 4 + 0 + 9 + 6 + 607 + 15 + 9 + 16 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 1896577281 + ... + 1896577496.

It is an arithmetic number, because the mean of its divisors is an integer number (44253472410).

Almost surely, 2^409660715916 is an apocalyptic number.

It is an amenable number.

409660715916 is an abundant number, since it is smaller than the sum of its proper divisors (652422621924).

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

409660715916 is a wasteful number, since it uses less digits than its factorization.

409660715916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3793154790 (or 3793154782 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 409660715916 in words is "four hundred nine billion, six hundred sixty million, seven hundred fifteen thousand, nine hundred sixteen".