15244040052 has 96 divisors (see below), whose sum is σ = 39813903360. Its totient is φ = 5043911040.

The previous prime is 15244040051. The next prime is 15244040083. The reversal of 15244040052 is 25004044251.

15244040052 is a `hidden beast` number, since 15 + 244 + 0 + 400 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 15244039998 and 15244040025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15244040051) 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 31 ways as a sum of consecutive naturals, for example, 11102038 + ... + 11103410.

It is an arithmetic number, because the mean of its divisors is an integer number (414728160).

Almost surely, 2^15244040052 is an apocalyptic number.

15244040052 is a gapful number since it is divisible by the number (12) 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 15244040052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19906951680).

15244040052 is an abundant number, since it is smaller than the sum of its proper divisors (24569863308).

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

15244040052 is a wasteful number, since it uses less digits than its factorization.

15244040052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070 (or 2062 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 27.

The spelling of 15244040052 in words is "fifteen billion, two hundred forty-four million, forty thousand, fifty-two".