413665640 has 32 divisors (see below), whose sum is σ = 933461280. Its totient is φ = 164983872.

The previous prime is 413665639. The next prime is 413665717. The reversal of 413665640 is 46566314.

It is a super-2 number, since 2×413665640² = 342238523433219200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 413665640.

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, 1022 + ... + 28781.

It is an arithmetic number, because the mean of its divisors is an integer number (29170665).

Almost surely, 2^413665640 is an apocalyptic number.

413665640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

413665640 is an abundant number, since it is smaller than the sum of its proper divisors (519795640).

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

413665640 is a wasteful number, since it uses less digits than its factorization.

413665640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30161 (or 30157 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 413665640 is about 20338.7718409937. The cubic root of 413665640 is about 745.1032933367.

The spelling of 413665640 in words is "four hundred thirteen million, six hundred sixty-five thousand, six hundred forty".