402449552 has 20 divisors (see below), whose sum is σ = 781519920. Its totient is φ = 200767008.

The previous prime is 402449543. The next prime is 402449557. The reversal of 402449552 is 255944204.

It is not an unprimeable number, because it can be changed into a prime (402449557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21302 + ... + 35477.

It is an arithmetic number, because the mean of its divisors is an integer number (39075996).

Almost surely, 2^402449552 is an apocalyptic number.

It is an amenable number.

402449552 is a deficient number, since it is larger than the sum of its proper divisors (379070368).

402449552 is a wasteful number, since it uses less digits than its factorization.

402449552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57230 (or 57224 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 402449552 is about 20061.1453312118. The cubic root of 402449552 is about 738.3072777361.

The spelling of 402449552 in words is "four hundred two million, four hundred forty-nine thousand, five hundred fifty-two".