402053392 has 20 divisors (see below), whose sum is σ = 838900300. Its totient is φ = 185563008.

The previous prime is 402053387. The next prime is 402053429. The reversal of 402053392 is 293350204.

It can be written as a sum of positive squares in 2 ways, for example, as 80353296 + 321700096 = 8964^2 + 17936^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 402053392.

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, 966267 + ... + 966682.

It is an arithmetic number, because the mean of its divisors is an integer number (41945015).

Almost surely, 2^402053392 is an apocalyptic number.

It is an amenable number.

402053392 is an abundant number, since it is smaller than the sum of its proper divisors (436846908).

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

402053392 is a wasteful number, since it uses less digits than its factorization.

402053392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932970 (or 1932964 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 402053392 is about 20051.2690870179. The cubic root of 402053392 is about 738.0649419084.

The spelling of 402053392 in words is "four hundred two million, fifty-three thousand, three hundred ninety-two".