402132652 has 12 divisors (see below), whose sum is σ = 703875256. Its totient is φ = 201025440.

The previous prime is 402132617. The next prime is 402132659. The reversal of 402132652 is 256231204.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (402132659) 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, 26827 + ... + 39037.

Almost surely, 2^402132652 is an apocalyptic number.

It is an amenable number.

402132652 is a deficient number, since it is larger than the sum of its proper divisors (301742604).

402132652 is a wasteful number, since it uses less digits than its factorization.

402132652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20448 (or 20446 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 402132652 is about 20053.2454231229. The cubic root of 402132652 is about 738.1134389362.

Adding to 402132652 its reverse (256231204), we get a palindrome (658363856).

The spelling of 402132652 in words is "four hundred two million, one hundred thirty-two thousand, six hundred fifty-two".