3925945880 has 16 divisors (see below), whose sum is σ = 8833378320. Its totient is φ = 1570378336.

The previous prime is 3925945879. The next prime is 3925945883. The reversal of 3925945880 is 885495293.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3925945883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49074284 + ... + 49074363.

It is an arithmetic number, because the mean of its divisors is an integer number (552086145).

Almost surely, 2^3925945880 is an apocalyptic number.

It is an amenable number.

3925945880 is an abundant number, since it is smaller than the sum of its proper divisors (4907432440).

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

3925945880 is a wasteful number, since it uses less digits than its factorization.

3925945880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98148658 (or 98148654 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The square root of 3925945880 is about 62657.3689201837. The cubic root of 3925945880 is about 1577.5438364087.

The spelling of 3925945880 in words is "three billion, nine hundred twenty-five million, nine hundred forty-five thousand, eight hundred eighty".