2102500540 has 24 divisors (see below), whose sum is σ = 5046001632. Its totient is φ = 720857280.

The previous prime is 2102500531. The next prime is 2102500567. The reversal of 2102500540 is 450052012.

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, 7508791 + ... + 7509070.

It is an arithmetic number, because the mean of its divisors is an integer number (210250068).

Almost surely, 2^2102500540 is an apocalyptic number.

2102500540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2102500540 is an abundant number, since it is smaller than the sum of its proper divisors (2943501092).

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

2102500540 is a wasteful number, since it uses less digits than its factorization.

2102500540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15017877 (or 15017875 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 2102500540 is about 45853.0319608202. The cubic root of 2102500540 is about 1281.0872394797.

Adding to 2102500540 its reverse (450052012), we get a palindrome (2552552552).

The spelling of 2102500540 in words is "two billion, one hundred two million, five hundred thousand, five hundred forty".