404744860 has 36 divisors (see below), whose sum is σ = 920383128. Its totient is φ = 149443008.

The previous prime is 404744839. The next prime is 404744863. The reversal of 404744860 is 68447404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404744863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56494 + ... + 63253.

It is an arithmetic number, because the mean of its divisors is an integer number (25566198).

Almost surely, 2^404744860 is an apocalyptic number.

It is an amenable number.

404744860 is an abundant number, since it is smaller than the sum of its proper divisors (515638268).

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

404744860 is a wasteful number, since it uses less digits than its factorization.

404744860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119782 (or 119767 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 37.

The square root of 404744860 is about 20118.2717945653. The cubic root of 404744860 is about 739.7082243910.

The spelling of 404744860 in words is "four hundred four million, seven hundred forty-four thousand, eight hundred sixty".