402047032 has 32 divisors (see below), whose sum is σ = 776531520. Its totient is φ = 195004800.

The previous prime is 402047027. The next prime is 402047047. The reversal of 402047032 is 230740204.

It is a junction number, because it is equal to n+sod(n) for n = 402046994 and 402047012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106782 + ... + 110482.

It is an arithmetic number, because the mean of its divisors is an integer number (24266610).

Almost surely, 2^402047032 is an apocalyptic number.

It is an amenable number.

402047032 is a deficient number, since it is larger than the sum of its proper divisors (374484488).

402047032 is a wasteful number, since it uses less digits than its factorization.

402047032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4111 (or 4107 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 402047032 is about 20051.1104929378. The cubic root of 402047032 is about 738.0610501220.

Adding to 402047032 its reverse (230740204), we get a palindrome (632787236).

The spelling of 402047032 in words is "four hundred two million, forty-seven thousand, thirty-two".