2405404880 has 20 divisors (see below), whose sum is σ = 5592566532. Its totient is φ = 962161920.

The previous prime is 2405404879. The next prime is 2405404949. The reversal of 2405404880 is 884045042.

2405404880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 286828096 + 2118576784 = 16936^2 + 46028^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2405404880.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15033701 + ... + 15033860.

Almost surely, 2^2405404880 is an apocalyptic number.

2405404880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2405404880 is an abundant number, since it is smaller than the sum of its proper divisors (3187161652).

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

2405404880 is a wasteful number, since it uses less digits than its factorization.

2405404880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30067574 (or 30067568 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 35.

The square root of 2405404880 is about 49044.9271586777. The cubic root of 2405404880 is about 1339.8702035117.

The spelling of 2405404880 in words is "two billion, four hundred five million, four hundred four thousand, eight hundred eighty".