402455132 has 12 divisors (see below), whose sum is σ = 713944896. Its totient is φ = 198470880.

The previous prime is 402455101. The next prime is 402455143. The reversal of 402455132 is 231554204.

It is a happy number.

It is a congruent number.

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, 688844 + ... + 689427.

It is an arithmetic number, because the mean of its divisors is an integer number (59495408).

Almost surely, 2^402455132 is an apocalyptic number.

It is an amenable number.

402455132 is a deficient number, since it is larger than the sum of its proper divisors (311489764).

402455132 is a wasteful number, since it uses less digits than its factorization.

402455132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378348 (or 1378346 counting only the distinct ones).

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

The square root of 402455132 is about 20061.2844055409. The cubic root of 402455132 is about 738.3106899531.

The spelling of 402455132 in words is "four hundred two million, four hundred fifty-five thousand, one hundred thirty-two".