402532012 has 12 divisors (see below), whose sum is σ = 704576880. Its totient is φ = 201224336.

The previous prime is 402532007. The next prime is 402532027. The reversal of 402532012 is 210235204.

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, 23814 + ... + 37042.

It is an arithmetic number, because the mean of its divisors is an integer number (58714740).

Almost surely, 2^402532012 is an apocalyptic number.

It is an amenable number.

402532012 is a deficient number, since it is larger than the sum of its proper divisors (302044868).

402532012 is a wasteful number, since it uses less digits than its factorization.

402532012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20840 (or 20838 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 402532012 is about 20063.2004426014. The cubic root of 402532012 is about 738.3576995097.

Adding to 402532012 its reverse (210235204), we get a palindrome (612767216).

The spelling of 402532012 in words is "four hundred two million, five hundred thirty-two thousand, twelve".