3870731356944 has 20 divisors (see below), whose sum is σ = 9999389338896. Its totient is φ = 1290243785632.

The previous prime is 3870731356897. The next prime is 3870731356969. The reversal of 3870731356944 is 4496531370783.

It is a super-2 number, since 2×3870731356944² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40320118254 + ... + 40320118349.

Almost surely, 2^{3870731356944} is an apocalyptic number.

It is an amenable number.

3870731356944 is an abundant number, since it is smaller than the sum of its proper divisors (6128657981952).

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

3870731356944 is a wasteful number, since it uses less digits than its factorization.

3870731356944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80640236614 (or 80640236608 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 60.

The spelling of 3870731356944 in words is "three trillion, eight hundred seventy billion, seven hundred thirty-one million, three hundred fifty-six thousand, nine hundred forty-four".