15265240380 has 72 divisors (see below), whose sum is σ = 49866459552. Its totient is φ = 3757597056.

The previous prime is 15265240283. The next prime is 15265240387. The reversal of 15265240380 is 8304256251.

15265240380 is a `hidden beast` number, since 1 + 52 + 6 + 524 + 0 + 3 + 80 = 666.

15265240380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15265240387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3259464 + ... + 3264143.

It is an arithmetic number, because the mean of its divisors is an integer number (692589716).

Almost surely, 2^15265240380 is an apocalyptic number.

15265240380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15265240380 is an abundant number, since it is smaller than the sum of its proper divisors (34601219172).

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

15265240380 is a wasteful number, since it uses less digits than its factorization.

15265240380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6523635 (or 6523630 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 15265240380 in words is "fifteen billion, two hundred sixty-five million, two hundred forty thousand, three hundred eighty".