3942045320 has 32 divisors (see below), whose sum is σ = 8929143000. Its totient is φ = 1566233088.

The previous prime is 3942045287. The next prime is 3942045389. The reversal of 3942045320 is 235402493.

It can be written as a sum of positive squares in 4 ways, for example, as 1149345604 + 2792699716 = 33902^2 + 52846^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 324749 + ... + 336668.

Almost surely, 2^3942045320 is an apocalyptic number.

It is an amenable number.

3942045320 is an abundant number, since it is smaller than the sum of its proper divisors (4987097680).

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

3942045320 is a wasteful number, since it uses less digits than its factorization.

3942045320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661577 (or 661573 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 3942045320 is about 62785.7095205589. The cubic root of 3942045320 is about 1579.6972821748.

The spelling of 3942045320 in words is "three billion, nine hundred forty-two million, forty-five thousand, three hundred twenty".