404616465 has 40 divisors (see below), whose sum is σ = 791258688. Its totient is φ = 196175520.

The previous prime is 404616461. The next prime is 404616479. The reversal of 404616465 is 564616404.

404616465 is a `hidden beast` number, since 4 + 0 + 4 + 6 + 1 + 646 + 5 = 666.

It is not a de Polignac number, because 404616465 - 2² = 404616461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404616461) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40957 + ... + 49866.

Almost surely, 2^404616465 is an apocalyptic number.

404616465 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

404616465 is a deficient number, since it is larger than the sum of its proper divisors (386642223).

404616465 is a wasteful number, since it uses less digits than its factorization.

404616465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90851 (or 90842 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 404616465 is about 20115.0805367515. The cubic root of 404616465 is about 739.6299982529.

The spelling of 404616465 in words is "four hundred four million, six hundred sixteen thousand, four hundred sixty-five".