3125740818 has 16 divisors (see below), whose sum is σ = 6287619456. Its totient is φ = 1035890640.

The previous prime is 3125740811. The next prime is 3125740831. The reversal of 3125740818 is 8180475213.

It is a super-2 number, since 2×3125740818² = 19540511322622618248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3125740811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504618 + ... + 1506693.

It is an arithmetic number, because the mean of its divisors is an integer number (392976216).

Almost surely, 2^3125740818 is an apocalyptic number.

3125740818 is an abundant number, since it is smaller than the sum of its proper divisors (3161878638).

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

3125740818 is a wasteful number, since it uses less digits than its factorization.

3125740818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3011489.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 3125740818 is about 55908.3251224717. The cubic root of 3125740818 is about 1462.1243887770.

The spelling of 3125740818 in words is "three billion, one hundred twenty-five million, seven hundred forty thousand, eight hundred eighteen".