402133064 has 8 divisors (see below), whose sum is σ = 753999510. Its totient is φ = 201066528.

The previous prime is 402133051. The next prime is 402133073. The reversal of 402133064 is 460331204.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 329712964 + 72420100 = 18158^2 + 8510^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×402133064² = 323422002324056192, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25133309 + ... + 25133324.

Almost surely, 2^402133064 is an apocalyptic number.

It is an amenable number.

402133064 is a deficient number, since it is larger than the sum of its proper divisors (351866446).

402133064 is a wasteful number, since it uses less digits than its factorization.

402133064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50266639 (or 50266635 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 402133064 is about 20053.2556957717. The cubic root of 402133064 is about 738.1136910111.

Adding to 402133064 its reverse (460331204), we get a palindrome (862464268).

The spelling of 402133064 in words is "four hundred two million, one hundred thirty-three thousand, sixty-four".