2405117172 has 24 divisors (see below), whose sum is σ = 5615912736. Its totient is φ = 801138208.

The previous prime is 2405117167. The next prime is 2405117173. The reversal of 2405117172 is 2717115042.

It is a super-2 number, since 2×2405117172² = 11569177222098555168, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2405117173) 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, 53103 + ... + 87350.

It is an arithmetic number, because the mean of its divisors is an integer number (233996364).

Almost surely, 2^2405117172 is an apocalyptic number.

It is an amenable number.

2405117172 is an abundant number, since it is smaller than the sum of its proper divisors (3210795564).

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

2405117172 is a wasteful number, since it uses less digits than its factorization.

2405117172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141887 (or 141885 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 30.

The square root of 2405117172 is about 49041.9939643567. The cubic root of 2405117172 is about 1339.8167812167.

The spelling of 2405117172 in words is "two billion, four hundred five million, one hundred seventeen thousand, one hundred seventy-two".