15265002740 has 144 divisors (see below), whose sum is σ = 36180768960. Its totient is φ = 5402741760.

The previous prime is 15265002679. The next prime is 15265002761. The reversal of 15265002740 is 4720056251.

It is a junction number, because it is equal to n+sod(n) for n = 15265002697 and 15265002706.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8175287 + ... + 8177153.

It is an arithmetic number, because the mean of its divisors is an integer number (251255340).

Almost surely, 2^15265002740 is an apocalyptic number.

15265002740 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 15265002740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18090384480).

15265002740 is an abundant number, since it is smaller than the sum of its proper divisors (20915766220).

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

15265002740 is a wasteful number, since it uses less digits than its factorization.

15265002740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002 (or 1987 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

Adding to 15265002740 its reverse (4720056251), we get a palindrome (19985058991).

The spelling of 15265002740 in words is "fifteen billion, two hundred sixty-five million, two thousand, seven hundred forty".