2445508072172 has 24 divisors (see below), whose sum is σ = 4688231546880. Its totient is φ = 1106943550160.

The previous prime is 2445508072067. The next prime is 2445508072193. The reversal of 2445508072172 is 2712708055442.

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, 116265068 + ... + 116286099.

It is an arithmetic number, because the mean of its divisors is an integer number (195342981120).

Almost surely, 2^{2445508072172} is an apocalyptic number.

2445508072172 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2445508072172 is a deficient number, since it is larger than the sum of its proper divisors (2242723474708).

2445508072172 is a wasteful number, since it uses less digits than its factorization.

2445508072172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232551421 (or 232551419 counting only the distinct ones).

The product of its (nonzero) digits is 1254400, while the sum is 47.

The spelling of 2445508072172 in words is "two trillion, four hundred forty-five billion, five hundred eight million, seventy-two thousand, one hundred seventy-two".