403980288 has 60 divisors (see below), whose sum is σ = 1077378960. Its totient is φ = 134643712.

The previous prime is 403980277. The next prime is 403980329. The reversal of 403980288 is 882089304.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45043 + ... + 53261.

It is an arithmetic number, because the mean of its divisors is an integer number (17956316).

Almost surely, 2^403980288 is an apocalyptic number.

403980288 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403980288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (538689480).

403980288 is an abundant number, since it is smaller than the sum of its proper divisors (673398672).

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

403980288 is an frugal number, since it uses more digits than its factorization.

403980288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8250 (or 8224 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 42.

The square root of 403980288 is about 20099.2608819329. The cubic root of 403980288 is about 739.2421557263.

The spelling of 403980288 in words is "four hundred three million, nine hundred eighty thousand, two hundred eighty-eight".