402250536 has 128 divisors (see below), whose sum is σ = 1148918400. Its totient is φ = 131989824.

The previous prime is 402250523. The next prime is 402250543. The reversal of 402250536 is 635052204.

402250536 is a `hidden beast` number, since 402 + 250 + 5 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1452030 + ... + 1452306.

It is an arithmetic number, because the mean of its divisors is an integer number (8975925).

Almost surely, 2^402250536 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 402250536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (574459200).

402250536 is an abundant number, since it is smaller than the sum of its proper divisors (746667864).

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

402250536 is an equidigital number, since it uses as much as digits as its factorization.

402250536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 402250536 is about 20056.1844825979. The cubic root of 402250536 is about 738.1855571483.

The spelling of 402250536 in words is "four hundred two million, two hundred fifty thousand, five hundred thirty-six".