2450172990 has 16 divisors (see below), whose sum is σ = 5880415248. Its totient is φ = 653379456.

The previous prime is 2450172983. The next prime is 2450173043. The reversal of 2450172990 is 992710542.

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, 40836187 + ... + 40836246.

It is an arithmetic number, because the mean of its divisors is an integer number (367525953).

Almost surely, 2^2450172990 is an apocalyptic number.

2450172990 is an abundant number, since it is smaller than the sum of its proper divisors (3430242258).

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

2450172990 is a wasteful number, since it uses less digits than its factorization.

2450172990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81672443.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 2450172990 is about 49499.2221151000. Note that the first 3 decimals coincide. The cubic root of 2450172990 is about 1348.1314780903.

The spelling of 2450172990 in words is "two billion, four hundred fifty million, one hundred seventy-two thousand, nine hundred ninety".