402454132 has 6 divisors (see below), whose sum is σ = 704294738. Its totient is φ = 201227064.

The previous prime is 402454127. The next prime is 402454147. The reversal of 402454132 is 231454204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 227527056 + 174927076 = 15084^2 + 13226^2 .

It is a junction number, because it is equal to n+sod(n) for n = 402454097 and 402454106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50306763 + ... + 50306770.

Almost surely, 2^402454132 is an apocalyptic number.

It is an amenable number.

402454132 is a deficient number, since it is larger than the sum of its proper divisors (301840606).

402454132 is a wasteful number, since it uses less digits than its factorization.

402454132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100613537 (or 100613535 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 402454132 is about 20061.2594818969. The cubic root of 402454132 is about 738.3100784470.

The spelling of 402454132 in words is "four hundred two million, four hundred fifty-four thousand, one hundred thirty-two".