3936171540 has 48 divisors (see below), whose sum is σ = 12595750272. Its totient is φ = 899696256.

The previous prime is 3936171487. The next prime is 3936171563. The reversal of 3936171540 is 451716393.

3936171540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4685499 + ... + 4686338.

It is an arithmetic number, because the mean of its divisors is an integer number (262411464).

Almost surely, 2^3936171540 is an apocalyptic number.

3936171540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3936171540 is an abundant number, since it is smaller than the sum of its proper divisors (8659578732).

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

3936171540 is a wasteful number, since it uses less digits than its factorization.

3936171540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9371856 (or 9371854 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 3936171540 is about 62738.9156744042. The cubic root of 3936171540 is about 1578.9122914792.

The spelling of 3936171540 in words is "three billion, nine hundred thirty-six million, one hundred seventy-one thousand, five hundred forty".