402283880 has 16 divisors (see below), whose sum is σ = 905138820. Its totient is φ = 160913536.

The previous prime is 402283867. The next prime is 402283883. The reversal of 402283880 is 88382204.

It can be written as a sum of positive squares in 2 ways, for example, as 397364356 + 4919524 = 19934^2 + 2218^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 402283880.

It is not an unprimeable number, because it can be changed into a prime (402283883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5028509 + ... + 5028588.

Almost surely, 2^402283880 is an apocalyptic number.

402283880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402283880 is an abundant number, since it is smaller than the sum of its proper divisors (502854940).

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

402283880 is a wasteful number, since it uses less digits than its factorization.

402283880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10057108 (or 10057104 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 402283880 is about 20057.0157301628. The cubic root of 402283880 is about 738.2059535405.

The spelling of 402283880 in words is "four hundred two million, two hundred eighty-three thousand, eight hundred eighty".