3952645880 has 32 divisors (see below), whose sum is σ = 8895849840. Its totient is φ = 1580632320.

The previous prime is 3952645861. The next prime is 3952645883. The reversal of 3952645880 is 885462593.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3952645883) 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, 167195 + ... + 189365.

Almost surely, 2^3952645880 is an apocalyptic number.

It is an amenable number.

3952645880 is an abundant number, since it is smaller than the sum of its proper divisors (4943203960).

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

3952645880 is a wasteful number, since it uses less digits than its factorization.

3952645880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26639 (or 26635 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 50.

The square root of 3952645880 is about 62870.0714171696. The cubic root of 3952645880 is about 1581.1120036010.

The spelling of 3952645880 in words is "three billion, nine hundred fifty-two million, six hundred forty-five thousand, eight hundred eighty".