15873848640 has 672 divisors, whose sum is σ = 62627475456. Its totient is φ = 3802152960.

The previous prime is 15873848629. The next prime is 15873848663. The reversal of 15873848640 is 4684837851.

15873848640 is a `hidden beast` number, since 1 + 58 + 73 + 8 + 486 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 41445889 + ... + 41446271.

It is an arithmetic number, because the mean of its divisors is an integer number (93195648).

Almost surely, 2^15873848640 is an apocalyptic number.

15873848640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15873848640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31313737728).

15873848640 is an abundant number, since it is smaller than the sum of its proper divisors (46753626816).

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

15873848640 is a wasteful number, since it uses less digits than its factorization.

15873848640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 469 (or 447 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 15873848640 in words is "fifteen billion, eight hundred seventy-three million, eight hundred forty-eight thousand, six hundred forty".