404045052 has 96 divisors (see below), whose sum is σ = 1041465600. Its totient is φ = 121347072.

The previous prime is 404045027. The next prime is 404045077. The reversal of 404045052 is 250540404.

It is an interprime number because it is at equal distance from previous prime (404045027) and next prime (404045077).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 964099 + ... + 964517.

It is an arithmetic number, because the mean of its divisors is an integer number (10848600).

Almost surely, 2^404045052 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 404045052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (520732800).

404045052 is an abundant number, since it is smaller than the sum of its proper divisors (637420548).

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

404045052 is a wasteful number, since it uses less digits than its factorization.

404045052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 633 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

The square root of 404045052 is about 20100.8719213869. The cubic root of 404045052 is about 739.2816574233.

Adding to 404045052 its reverse (250540404), we get a palindrome (654585456).

The spelling of 404045052 in words is "four hundred four million, forty-five thousand, fifty-two".