2405065880 has 32 divisors (see below), whose sum is σ = 6184455840. Its totient is φ = 824593920.

The previous prime is 2405065879. The next prime is 2405065933. The reversal of 2405065880 is 885605042.

It is a super-4 number, since 4×2405065880⁴ (a number of 39 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4294481 + ... + 4295040.

It is an arithmetic number, because the mean of its divisors is an integer number (193264245).

Almost surely, 2^2405065880 is an apocalyptic number.

2405065880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2405065880 is an abundant number, since it is smaller than the sum of its proper divisors (3779389960).

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

2405065880 is a wasteful number, since it uses less digits than its factorization.

2405065880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589539 (or 8589535 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 2405065880 is about 49041.4710219830. The cubic root of 2405065880 is about 1339.8072567506.

The spelling of 2405065880 in words is "two billion, four hundred five million, sixty-five thousand, eight hundred eighty".