3953986040 has 16 divisors (see below), whose sum is σ = 8896468680. Its totient is φ = 1581594400.

The previous prime is 3953986037. The next prime is 3953986073. The reversal of 3953986040 is 406893593.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49424786 + ... + 49424865.

Almost surely, 2^3953986040 is an apocalyptic number.

It is an amenable number.

3953986040 is an abundant number, since it is smaller than the sum of its proper divisors (4942482640).

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

3953986040 is a wasteful number, since it uses less digits than its factorization.

3953986040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98849662 (or 98849658 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 3953986040 is about 62880.7286853452. The cubic root of 3953986040 is about 1581.2906774727.

The spelling of 3953986040 in words is "three billion, nine hundred fifty-three million, nine hundred eighty-six thousand, forty".