404152044 has 48 divisors (see below), whose sum is σ = 986189568. Its totient is φ = 128576448.

The previous prime is 404152037. The next prime is 404152051. The reversal of 404152044 is 440251404.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (404152037) and next prime (404152051).

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, 149634 + ... + 152310.

It is an arithmetic number, because the mean of its divisors is an integer number (20545616).

Almost surely, 2^404152044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404152044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (493094784).

404152044 is an abundant number, since it is smaller than the sum of its proper divisors (582037524).

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

404152044 is a wasteful number, since it uses less digits than its factorization.

404152044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254 (or 3252 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 404152044 is about 20103.5331223146. The cubic root of 404152044 is about 739.3469061227.

The spelling of 404152044 in words is "four hundred four million, one hundred fifty-two thousand, forty-four".