404015052 has 24 divisors (see below), whose sum is σ = 1077373696. Its totient is φ = 115432848.

The previous prime is 404015039. The next prime is 404015093. The reversal of 404015052 is 250510404.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2404768 + ... + 2404935.

Almost surely, 2^404015052 is an apocalyptic number.

404015052 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

404015052 is an abundant number, since it is smaller than the sum of its proper divisors (673358644).

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

404015052 is a wasteful number, since it uses less digits than its factorization.

404015052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809717 (or 4809715 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 404015052 is about 20100.1256712489. The cubic root of 404015052 is about 739.2633599599.

Adding to 404015052 its reverse (250510404), we get a palindrome (654525456).

The spelling of 404015052 in words is "four hundred four million, fifteen thousand, fifty-two".