3871535663040 has 112 divisors (see below), whose sum is σ = 12715992226080. Its totient is φ = 996809175040.

The previous prime is 3871535663003. The next prime is 3871535663041. The reversal of 3871535663040 is 403665351783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3871535663041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69504051 + ... + 69559730.

Almost surely, 2^{3871535663040} is an apocalyptic number.

3871535663040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3871535663040 is an abundant number, since it is smaller than the sum of its proper divisors (8844456563040).

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

3871535663040 is a wasteful number, since it uses less digits than its factorization.

3871535663040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139063830 (or 139063820 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 51.

The spelling of 3871535663040 in words is "three trillion, eight hundred seventy-one billion, five hundred thirty-five million, six hundred sixty-three thousand, forty".