402370164 has 108 divisors (see below), whose sum is σ = 1188611424. Its totient is φ = 114434208.

The previous prime is 402370159. The next prime is 402370169. The reversal of 402370164 is 461073204.

It is an interprime number because it is at equal distance from previous prime (402370159) and next prime (402370169).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402370169) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 541177 + ... + 541919.

Almost surely, 2^402370164 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 402370164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (594305712).

402370164 is an abundant number, since it is smaller than the sum of its proper divisors (786241260).

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

402370164 is a wasteful number, since it uses less digits than its factorization.

402370164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074 (or 1062 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 402370164 is about 20059.1665828867. The cubic root of 402370164 is about 738.2587278891.

The spelling of 402370164 in words is "four hundred two million, three hundred seventy thousand, one hundred sixty-four".