44521623354 has 64 divisors (see below), whose sum is σ = 98226326016. Its totient is φ = 13367337984.

The previous prime is 44521623353. The next prime is 44521623389. The reversal of 44521623354 is 45332612544.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (44521623353) 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, 1217424 + ... + 1253460.

It is an arithmetic number, because the mean of its divisors is an integer number (1534786344).

Almost surely, 2^44521623354 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44521623354, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49113163008).

44521623354 is an abundant number, since it is smaller than the sum of its proper divisors (53704702662).

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

44521623354 is a wasteful number, since it uses less digits than its factorization.

44521623354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36439.

The product of its digits is 345600, while the sum is 39.

The spelling of 44521623354 in words is "forty-four billion, five hundred twenty-one million, six hundred twenty-three thousand, three hundred fifty-four".