404320152 has 32 divisors (see below), whose sum is σ = 1064001600. Its totient is φ = 127679904.

The previous prime is 404320109. The next prime is 404320177. The reversal of 404320152 is 251023404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 442878 + ... + 443789.

It is an arithmetic number, because the mean of its divisors is an integer number (33250050).

Almost surely, 2^404320152 is an apocalyptic number.

It is an amenable number.

404320152 is an abundant number, since it is smaller than the sum of its proper divisors (659681448).

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

404320152 is a wasteful number, since it uses less digits than its factorization.

404320152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 886695 (or 886691 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 404320152 is about 20107.7137437353. The cubic root of 404320152 is about 739.4494029450.

Adding to 404320152 its reverse (251023404), we get a palindrome (655343556).

The spelling of 404320152 in words is "four hundred four million, three hundred twenty thousand, one hundred fifty-two".