404728051 has 16 divisors (see below), whose sum is σ = 499108288. Its totient is φ = 319593600.

The previous prime is 404728043. The next prime is 404728057. The reversal of 404728051 is 150827404.

It is a cyclic number.

It is not a de Polignac number, because 404728051 - 2³ = 404728043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (404728057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45121 + ... + 53341.

It is an arithmetic number, because the mean of its divisors is an integer number (31194268).

Almost surely, 2^404728051 is an apocalyptic number.

404728051 is a deficient number, since it is larger than the sum of its proper divisors (94380237).

404728051 is a wasteful number, since it uses less digits than its factorization.

404728051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8782.

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 404728051 is about 20117.8540356570. The cubic root of 404728051 is about 739.6979842547.

The spelling of 404728051 in words is "four hundred four million, seven hundred twenty-eight thousand, fifty-one".