407680551 has 6 divisors (see below), whose sum is σ = 588871920. Its totient is φ = 271787028.

The previous prime is 407680547. The next prime is 407680561. The reversal of 407680551 is 155086704.

407680551 is a `hidden beast` number, since 40 + 7 + 68 + 0 + 551 = 666.

It is not a de Polignac number, because 407680551 - 2² = 407680547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (407680561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22648911 + ... + 22648928.

It is an arithmetic number, because the mean of its divisors is an integer number (98145320).

Almost surely, 2^407680551 is an apocalyptic number.

407680551 is a deficient number, since it is larger than the sum of its proper divisors (181191369).

407680551 is a wasteful number, since it uses less digits than its factorization.

407680551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45297845 (or 45297842 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 407680551 is about 20191.1007872280. The cubic root of 407680551 is about 741.4923323669.

The spelling of 407680551 in words is "four hundred seven million, six hundred eighty thousand, five hundred fifty-one".