3864437705540 has 24 divisors (see below), whose sum is σ = 8115842492352. Its totient is φ = 1545675404000.

The previous prime is 3864437705537. The next prime is 3864437705551. The reversal of 3864437705540 is 455077344683.

3864437705540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5911586 + ... + 6532665.

It is an arithmetic number, because the mean of its divisors is an integer number (338160103848).

Almost surely, 2^{3864437705540} is an apocalyptic number.

It is an amenable number.

3864437705540 is an abundant number, since it is smaller than the sum of its proper divisors (4251404786812).

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

3864437705540 is a wasteful number, since it uses less digits than its factorization.

3864437705540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12459787 (or 12459785 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 56.

The spelling of 3864437705540 in words is "three trillion, eight hundred sixty-four billion, four hundred thirty-seven million, seven hundred five thousand, five hundred forty".