15242870862 has 48 divisors (see below), whose sum is σ = 33578569440. Its totient is φ = 4996353600.

The previous prime is 15242870857. The next prime is 15242870887. The reversal of 15242870862 is 26807824251.

15242870862 is a `hidden beast` number, since 152 + 428 + 70 + 8 + 6 + 2 = 666.

It is a super-2 number, since 2×15242870862² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 481812 + ... + 512472.

It is an arithmetic number, because the mean of its divisors is an integer number (699553530).

Almost surely, 2^15242870862 is an apocalyptic number.

15242870862 is an abundant number, since it is smaller than the sum of its proper divisors (18335698578).

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

15242870862 is a wasteful number, since it uses less digits than its factorization.

15242870862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31129 (or 31126 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The spelling of 15242870862 in words is "fifteen billion, two hundred forty-two million, eight hundred seventy thousand, eight hundred sixty-two".