3992425144 has 8 divisors (see below), whose sum is σ = 7485797160. Its totient is φ = 1996212568.

The previous prime is 3992425139. The next prime is 3992425153. The reversal of 3992425144 is 4415242993.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 3992425144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 249526564 + ... + 249526579.

It is an arithmetic number, because the mean of its divisors is an integer number (935724645).

Almost surely, 2^3992425144 is an apocalyptic number.

It is an amenable number.

3992425144 is a deficient number, since it is larger than the sum of its proper divisors (3493372016).

3992425144 is a wasteful number, since it uses less digits than its factorization.

3992425144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499053149 (or 499053145 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 3992425144 is about 63185.6403306954. The cubic root of 3992425144 is about 1586.3983909186.

The spelling of 3992425144 in words is "three billion, nine hundred ninety-two million, four hundred twenty-five thousand, one hundred forty-four".