404516980 has 48 divisors (see below), whose sum is σ = 987315840. Its totient is φ = 136338048.

The previous prime is 404516963. The next prime is 404516993. The reversal of 404516980 is 89615404.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16227 + ... + 32746.

It is an arithmetic number, because the mean of its divisors is an integer number (20569080).

Almost surely, 2^404516980 is an apocalyptic number.

It is an amenable number.

404516980 is an abundant number, since it is smaller than the sum of its proper divisors (582798860).

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

404516980 is a wasteful number, since it uses less digits than its factorization.

404516980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49048 (or 49046 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 404516980 is about 20112.6074888364. The cubic root of 404516980 is about 739.5693744867.

It can be divided in two parts, 4045 and 16980, that added together give a square (21025 = 145²).

The spelling of 404516980 in words is "four hundred four million, five hundred sixteen thousand, nine hundred eighty".