15274964852 has 48 divisors (see below), whose sum is σ = 31182036480. Its totient is φ = 6411405312.

The previous prime is 15274964849. The next prime is 15274964857. The reversal of 15274964852 is 25846947251.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a junction number, because it is equal to n+sod(n) for n = 15274964794 and 15274964803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15274964857) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847349 + ... + 865187.

It is an arithmetic number, because the mean of its divisors is an integer number (649625760).

Almost surely, 2^15274964852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15274964852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15591018240).

15274964852 is an abundant number, since it is smaller than the sum of its proper divisors (15907071628).

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

15274964852 is a wasteful number, since it uses less digits than its factorization.

15274964852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18480 (or 18478 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 53.

The spelling of 15274964852 in words is "fifteen billion, two hundred seventy-four million, nine hundred sixty-four thousand, eight hundred fifty-two".