402313152 has 56 divisors (see below), whose sum is σ = 1074456576. Its totient is φ = 132844288.

The previous prime is 402313139. The next prime is 402313189. The reversal of 402313152 is 251313204.

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, 10753 + ... + 30335.

Almost surely, 2^402313152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402313152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (537228288).

402313152 is an abundant number, since it is smaller than the sum of its proper divisors (672143424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402313152 is a wasteful number, since it uses less digits than its factorization.

402313152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19705 (or 19695 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 402313152 is about 20057.7454366138. The cubic root of 402313152 is about 738.2238581775.

Adding to 402313152 its reverse (251313204), we get a palindrome (653626356).

The spelling of 402313152 in words is "four hundred two million, three hundred thirteen thousand, one hundred fifty-two".