402043552 has 24 divisors (see below), whose sum is σ = 792306900. Its totient is φ = 200822784.

The previous prime is 402043513. The next prime is 402043583. The reversal of 402043552 is 255340204.

It can be written as a sum of positive squares in 2 ways, for example, as 339886096 + 62157456 = 18436^2 + 7884^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29824 + ... + 41152.

Almost surely, 2^402043552 is an apocalyptic number.

It is an amenable number.

402043552 is a deficient number, since it is larger than the sum of its proper divisors (390263348).

402043552 is a wasteful number, since it uses less digits than its factorization.

402043552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12448 (or 12440 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 402043552 is about 20051.0237145139. The cubic root of 402043552 is about 738.0589206366.

Adding to 402043552 its reverse (255340204), we get a palindrome (657383756).

The spelling of 402043552 in words is "four hundred two million, forty-three thousand, five hundred fifty-two".