402620552 has 16 divisors (see below), whose sum is σ = 765547200. Its totient is φ = 198474640.

The previous prime is 402620549. The next prime is 402620573. The reversal of 402620552 is 255026204.

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, 353852 + ... + 354987.

It is an arithmetic number, because the mean of its divisors is an integer number (47846700).

Almost surely, 2^402620552 is an apocalyptic number.

It is an amenable number.

402620552 is a deficient number, since it is larger than the sum of its proper divisors (362926648).

402620552 is a wasteful number, since it uses less digits than its factorization.

402620552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708916 (or 708912 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 402620552 is about 20065.4068486039. The cubic root of 402620552 is about 738.4118313519.

Adding to 402620552 its reverse (255026204), we get a palindrome (657646756).

The spelling of 402620552 in words is "four hundred two million, six hundred twenty thousand, five hundred fifty-two".