404001052 has 48 divisors (see below), whose sum is σ = 898250752. Its totient is φ = 154664640.

The previous prime is 404001019. The next prime is 404001061. The reversal of 404001052 is 250100404.

It is a super-3 number, since 3×404001052³ (a number of 27 digits) contains 333 as substring.

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, 6618 + ... + 29185.

Almost surely, 2^404001052 is an apocalyptic number.

It is an amenable number.

404001052 is an abundant number, since it is smaller than the sum of its proper divisors (494249700).

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

404001052 is a wasteful number, since it uses less digits than its factorization.

404001052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35858 (or 35856 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 404001052 is about 20099.7774117028. Note that the first 3 decimals coincide. The cubic root of 404001052 is about 739.2548208337.

Adding to 404001052 its reverse (250100404), we get a palindrome (654101456).

The spelling of 404001052 in words is "four hundred four million, one thousand, fifty-two".