3125105240 has 64 divisors (see below), whose sum is σ = 7454345760. Its totient is φ = 1175050240.

The previous prime is 3125105201. The next prime is 3125105309. The reversal of 3125105240 is 425015213.

It is a super-2 number, since 2×3125105240² = 19532565522150915200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 657914 + ... + 662646.

Almost surely, 2^3125105240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3125105240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3727172880).

3125105240 is an abundant number, since it is smaller than the sum of its proper divisors (4329240520).

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

3125105240 is a wasteful number, since it uses less digits than its factorization.

3125105240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5732 (or 5728 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 3125105240 is about 55902.6407247457. The cubic root of 3125105240 is about 1462.0252808490.

The spelling of 3125105240 in words is "three billion, one hundred twenty-five million, one hundred five thousand, two hundred forty".