402070260 has 48 divisors (see below), whose sum is σ = 1139374656. Its totient is φ = 105925632.

The previous prime is 402070241. The next prime is 402070261. The reversal of 402070260 is 62070204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402070261) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 35389 + ... + 45348.

It is an arithmetic number, because the mean of its divisors is an integer number (23736972).

Almost surely, 2^402070260 is an apocalyptic number.

It is an amenable number.

402070260 is an abundant number, since it is smaller than the sum of its proper divisors (737304396).

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

402070260 is a wasteful number, since it uses less digits than its factorization.

402070260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80832 (or 80830 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 402070260 is about 20051.6897043616. The cubic root of 402070260 is about 738.0752635105.

The spelling of 402070260 in words is "four hundred two million, seventy thousand, two hundred sixty".