15223546340 has 48 divisors (see below), whose sum is σ = 33034659840. Its totient is φ = 5886925440.

The previous prime is 15223546333. The next prime is 15223546381. The reversal of 15223546340 is 4364532251.

15223546340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×15223546340² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15223546340.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 615941 + ... + 640179.

It is an arithmetic number, because the mean of its divisors is an integer number (688222080).

Almost surely, 2^15223546340 is an apocalyptic number.

15223546340 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 15223546340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16517329920).

15223546340 is an abundant number, since it is smaller than the sum of its proper divisors (17811113500).

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

15223546340 is a wasteful number, since it uses less digits than its factorization.

15223546340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25292 (or 25290 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The spelling of 15223546340 in words is "fifteen billion, two hundred twenty-three million, five hundred forty-six thousand, three hundred forty".