15871100240 has 80 divisors (see below), whose sum is σ = 37164787968. Its totient is φ = 6303080448.

The previous prime is 15871100221. The next prime is 15871100243. The reversal of 15871100240 is 4200117851.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15871100243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14929949 + ... + 14931011.

Almost surely, 2^15871100240 is an apocalyptic number.

15871100240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15871100240 is an abundant number, since it is smaller than the sum of its proper divisors (21293687728).

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

15871100240 is a wasteful number, since it uses less digits than its factorization.

15871100240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2236 (or 2230 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 29.

The spelling of 15871100240 in words is "fifteen billion, eight hundred seventy-one million, one hundred thousand, two hundred forty".