15857484035240 has 32 divisors (see below), whose sum is σ = 35839336135680. Its totient is φ = 6314549692992.

The previous prime is 15857484035219. The next prime is 15857484035279. The reversal of 15857484035240 is 4253048475851.

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, 888863504 + ... + 888881343.

It is an arithmetic number, because the mean of its divisors is an integer number (1119979254240).

Almost surely, 2^{15857484035240} is an apocalyptic number.

15857484035240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15857484035240 is an abundant number, since it is smaller than the sum of its proper divisors (19981852100440).

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

15857484035240 is a wasteful number, since it uses less digits than its factorization.

15857484035240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1777745081 (or 1777745077 counting only the distinct ones).

The product of its (nonzero) digits is 21504000, while the sum is 56.

The spelling of 15857484035240 in words is "fifteen trillion, eight hundred fifty-seven billion, four hundred eighty-four million, thirty-five thousand, two hundred forty".