402079260 has 96 divisors (see below), whose sum is σ = 1233792000. Its totient is φ = 97027840.

The previous prime is 402079241. The next prime is 402079289. The reversal of 402079260 is 62970204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 156466 + ... + 159014.

It is an arithmetic number, because the mean of its divisors is an integer number (12852000).

Almost surely, 2^402079260 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 402079260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (616896000).

402079260 is an abundant number, since it is smaller than the sum of its proper divisors (831712740).

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

402079260 is a wasteful number, since it uses less digits than its factorization.

402079260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2811 (or 2809 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 402079260 is about 20051.9141230956. The cubic root of 402079260 is about 738.0807705312.

The spelling of 402079260 in words is "four hundred two million, seventy-nine thousand, two hundred sixty".