15413454784 has 112 divisors (see below), whose sum is σ = 39281453568. Its totient is φ = 5832465408.

The previous prime is 15413454781. The next prime is 15413454799. The reversal of 15413454784 is 48745431451.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15413454781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76419 + ... + 191485.

It is an arithmetic number, because the mean of its divisors is an integer number (350727264).

Almost surely, 2^15413454784 is an apocalyptic number.

15413454784 is a gapful number since it is divisible by the number (14) 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 15413454784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19640726784).

15413454784 is an abundant number, since it is smaller than the sum of its proper divisors (23867998784).

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

15413454784 is a wasteful number, since it uses less digits than its factorization.

15413454784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115122 (or 115112 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 46.

The spelling of 15413454784 in words is "fifteen billion, four hundred thirteen million, four hundred fifty-four thousand, seven hundred eighty-four".