15422961280 has 128 divisors (see below), whose sum is σ = 38365839360. Its totient is φ = 5922201600.

The previous prime is 15422961263. The next prime is 15422961329. The reversal of 15422961280 is 8216922451.

It is a happy number.

15422961280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 2516620 + ... + 2522740.

It is an arithmetic number, because the mean of its divisors is an integer number (299733120).

Almost surely, 2^15422961280 is an apocalyptic number.

15422961280 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 15422961280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19182919680).

15422961280 is an abundant number, since it is smaller than the sum of its proper divisors (22942878080).

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

15422961280 is a wasteful number, since it uses less digits than its factorization.

15422961280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6298 (or 6286 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The spelling of 15422961280 in words is "fifteen billion, four hundred twenty-two million, nine hundred sixty-one thousand, two hundred eighty".