402253470 has 24 divisors (see below), whose sum is σ = 1045859256. Its totient is φ = 107267568.

The previous prime is 402253451. The next prime is 402253477. The reversal of 402253470 is 74352204.

402253470 is a `hidden beast` number, since 40 + 22 + 534 + 70 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402253477) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2234652 + ... + 2234831.

It is an arithmetic number, because the mean of its divisors is an integer number (43577469).

Almost surely, 2^402253470 is an apocalyptic number.

402253470 is an abundant number, since it is smaller than the sum of its proper divisors (643605786).

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

402253470 is a wasteful number, since it uses less digits than its factorization.

402253470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4469496 (or 4469493 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 402253470 is about 20056.2576269851. The cubic root of 402253470 is about 738.1873519096.

The spelling of 402253470 in words is "four hundred two million, two hundred fifty-three thousand, four hundred seventy".