113654621444 has 96 divisors (see below), whose sum is σ = 249165987840. Its totient is φ = 44160732288.

The previous prime is 113654621419. The next prime is 113654621447. The reversal of 113654621444 is 444126456311.

It is not an unprimeable number, because it can be changed into a prime (113654621447) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 39149297 + ... + 39152199.

It is an arithmetic number, because the mean of its divisors is an integer number (2595479040).

Almost surely, 2^113654621444 is an apocalyptic number.

113654621444 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 113654621444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124582993920).

113654621444 is an abundant number, since it is smaller than the sum of its proper divisors (135511366396).

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

113654621444 is a wasteful number, since it uses less digits than its factorization.

113654621444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4809 (or 4807 counting only the distinct ones).

The product of its digits is 276480, while the sum is 41.

The spelling of 113654621444 in words is "one hundred thirteen billion, six hundred fifty-four million, six hundred twenty-one thousand, four hundred forty-four".