15724485484420 has 96 divisors (see below), whose sum is σ = 35570068490880. Its totient is φ = 5819796864000.

The previous prime is 15724485484373. The next prime is 15724485484453. The reversal of 15724485484420 is 2448458442751.

15724485484420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 433008184 + ... + 433044496.

It is an arithmetic number, because the mean of its divisors is an integer number (370521546780).

Almost surely, 2^{15724485484420} is an apocalyptic number.

15724485484420 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 15724485484420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17785034245440).

15724485484420 is an abundant number, since it is smaller than the sum of its proper divisors (19845583006460).

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

15724485484420 is a wasteful number, since it uses less digits than its factorization.

15724485484420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62885 (or 62883 counting only the distinct ones).

The product of its (nonzero) digits is 45875200, while the sum is 58.

The spelling of 15724485484420 in words is "fifteen trillion, seven hundred twenty-four billion, four hundred eighty-five million, four hundred eighty-four thousand, four hundred twenty".