2490725181 has 32 divisors (see below), whose sum is σ = 3999677440. Its totient is φ = 1346834304.

The previous prime is 2490725173. The next prime is 2490725183. The reversal of 2490725181 is 1815270942.

It is not a de Polignac number, because 2490725181 - 2³ = 2490725173 is a prime.

It is a super-2 number, since 2×2490725181² = 12407423854534965522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2490725183) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409146 + ... + 415188.

It is an arithmetic number, because the mean of its divisors is an integer number (124989920).

Almost surely, 2^2490725181 is an apocalyptic number.

2490725181 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2490725181 is a deficient number, since it is larger than the sum of its proper divisors (1508952259).

2490725181 is a wasteful number, since it uses less digits than its factorization.

2490725181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7105.

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 2490725181 is about 49907.1656277934. The cubic root of 2490725181 is about 1355.5283463113.

The spelling of 2490725181 in words is "two billion, four hundred ninety million, seven hundred twenty-five thousand, one hundred eighty-one".