402191352 has 64 divisors (see below), whose sum is σ = 1133913600. Its totient is φ = 132058080.

The previous prime is 402191329. The next prime is 402191381. The reversal of 402191352 is 253191204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 577 + ... + 28367.

It is an arithmetic number, because the mean of its divisors is an integer number (17717400).

Almost surely, 2^402191352 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 402191352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (566956800).

402191352 is an abundant number, since it is smaller than the sum of its proper divisors (731722248).

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

402191352 is a wasteful number, since it uses less digits than its factorization.

402191352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27873 (or 27863 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 402191352 is about 20054.7089732063. The cubic root of 402191352 is about 738.1493517547.

The spelling of 402191352 in words is "four hundred two million, one hundred ninety-one thousand, three hundred fifty-two".