44540323320 has 64 divisors (see below), whose sum is σ = 133638635520. Its totient is φ = 11875849344.

The previous prime is 44540323301. The next prime is 44540323349. The reversal of 44540323320 is 2332304544.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1101297 + ... + 1141023.

It is an arithmetic number, because the mean of its divisors is an integer number (2088103680).

Almost surely, 2^44540323320 is an apocalyptic number.

44540323320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44540323320 is an abundant number, since it is smaller than the sum of its proper divisors (89098312200).

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

44540323320 is a wasteful number, since it uses less digits than its factorization.

44540323320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49084 (or 49080 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 30.

Adding to 44540323320 its reverse (2332304544), we get a palindrome (46872627864).

The spelling of 44540323320 in words is "forty-four billion, five hundred forty million, three hundred twenty-three thousand, three hundred twenty".