2501641540 has 12 divisors (see below), whose sum is σ = 5253447276. Its totient is φ = 1000656608.

The previous prime is 2501641523. The next prime is 2501641589. The reversal of 2501641540 is 451461052.

It can be written as a sum of positive squares in 2 ways, for example, as 604864836 + 1896776704 = 24594^2 + 43552^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2501641499 and 2501641508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62541019 + ... + 62541058.

It is an arithmetic number, because the mean of its divisors is an integer number (437787273).

Almost surely, 2^2501641540 is an apocalyptic number.

2501641540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2501641540 is an abundant number, since it is smaller than the sum of its proper divisors (2751805736).

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

2501641540 is a wasteful number, since it uses less digits than its factorization.

2501641540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125082086 (or 125082084 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 2501641540 is about 50016.4127062307. The cubic root of 2501641540 is about 1357.5057983104.

The spelling of 2501641540 in words is "two billion, five hundred one million, six hundred forty-one thousand, five hundred forty".