409120888 has 32 divisors (see below), whose sum is σ = 863838720. Its totient is φ = 179964000.

The previous prime is 409120879. The next prime is 409120889. The reversal of 409120888 is 888021904.

It is a self number, because there is not a number n which added to its sum of digits gives 409120888.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409120889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72258 + ... + 77713.

It is an arithmetic number, because the mean of its divisors is an integer number (26994960).

Almost surely, 2^409120888 is an apocalyptic number.

It is an amenable number.

409120888 is an abundant number, since it is smaller than the sum of its proper divisors (454717832).

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

409120888 is a wasteful number, since it uses less digits than its factorization.

409120888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150019 (or 150015 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 40.

The square root of 409120888 is about 20226.7369587880. The cubic root of 409120888 is about 742.3645377851.

The spelling of 409120888 in words is "four hundred nine million, one hundred twenty thousand, eight hundred eighty-eight".