15480823384 has 64 divisors (see below), whose sum is σ = 33211483200. Its totient is φ = 6712118784.

The previous prime is 15480823361. The next prime is 15480823403. The reversal of 15480823384 is 48332808451.

It is a super-2 number, since 2×15480823384² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 42229 + ... + 180955.

It is an arithmetic number, because the mean of its divisors is an integer number (518929425).

Almost surely, 2^15480823384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 15480823384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16605741600).

15480823384 is an abundant number, since it is smaller than the sum of its proper divisors (17730659816).

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

15480823384 is a wasteful number, since it uses less digits than its factorization.

15480823384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138812 (or 138808 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The spelling of 15480823384 in words is "fifteen billion, four hundred eighty million, eight hundred twenty-three thousand, three hundred eighty-four".