404354132 has 36 divisors (see below), whose sum is σ = 875712096. Its totient is φ = 159962400.

The previous prime is 404354131. The next prime is 404354141. The reversal of 404354132 is 231453404.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404354131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37994 + ... + 47457.

It is an arithmetic number, because the mean of its divisors is an integer number (24325336).

Almost surely, 2^404354132 is an apocalyptic number.

It is an amenable number.

404354132 is an abundant number, since it is smaller than the sum of its proper divisors (471357964).

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

404354132 is a wasteful number, since it uses less digits than its factorization.

404354132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85488 (or 85473 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 404354132 is about 20108.5586753502. The cubic root of 404354132 is about 739.4701173770.

The spelling of 404354132 in words is "four hundred four million, three hundred fifty-four thousand, one hundred thirty-two".