15442770084 has 96 divisors (see below), whose sum is σ = 42732619776. Its totient is φ = 4248840960.

The previous prime is 15442770073. The next prime is 15442770143. The reversal of 15442770084 is 48007724451.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 226344 + ... + 286560.

It is an arithmetic number, because the mean of its divisors is an integer number (445131456).

Almost surely, 2^15442770084 is an apocalyptic number.

15442770084 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 15442770084, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21366309888).

15442770084 is an abundant number, since it is smaller than the sum of its proper divisors (27289849692).

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

15442770084 is a wasteful number, since it uses less digits than its factorization.

15442770084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60345 (or 60343 counting only the distinct ones).

The product of its (nonzero) digits is 250880, while the sum is 42.

The spelling of 15442770084 in words is "fifteen billion, four hundred forty-two million, seven hundred seventy thousand, eighty-four".