44147854842 has 128 divisors (see below), whose sum is σ = 112185368064. Its totient is φ = 11270181888.

The previous prime is 44147854837. The next prime is 44147854843. The reversal of 44147854842 is 24845874144.

It is not an unprimeable number, because it can be changed into a prime (44147854843) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3974248 + ... + 3985340.

It is an arithmetic number, because the mean of its divisors is an integer number (876448188).

Almost surely, 2^44147854842 is an apocalyptic number.

44147854842 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 44147854842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56092684032).

44147854842 is an abundant number, since it is smaller than the sum of its proper divisors (68037513222).

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

44147854842 is a wasteful number, since it uses less digits than its factorization.

44147854842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11352.

The product of its digits is 4587520, while the sum is 51.

The spelling of 44147854842 in words is "forty-four billion, one hundred forty-seven million, eight hundred fifty-four thousand, eight hundred forty-two".