402130264 has 32 divisors (see below), whose sum is σ = 779904000. Its totient is φ = 194182560.

The previous prime is 402130259. The next prime is 402130279. The reversal of 402130264 is 462031204.

It is a happy number.

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, 147199 + ... + 149905.

It is an arithmetic number, because the mean of its divisors is an integer number (24372000).

Almost surely, 2^402130264 is an apocalyptic number.

It is an amenable number.

402130264 is a deficient number, since it is larger than the sum of its proper divisors (377773736).

402130264 is a wasteful number, since it uses less digits than its factorization.

402130264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3343 (or 3339 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 402130264 is about 20053.1858815501. The cubic root of 402130264 is about 738.1119778774. Note that the first 3 decimals are identical.

Adding to 402130264 its reverse (462031204), we get a palindrome (864161468).

The spelling of 402130264 in words is "four hundred two million, one hundred thirty thousand, two hundred sixty-four".