44661844816644 has 48 divisors (see below), whose sum is σ = 113722353319680. Its totient is φ = 13529409342240.

The previous prime is 44661844816621. The next prime is 44661844816661.

44661844816644 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 55637814 + ... + 56434829.

It is an arithmetic number, because the mean of its divisors is an integer number (2369215694160).

Almost surely, 2^{44661844816644} is an apocalyptic number.

44661844816644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

44661844816644 is an abundant number, since it is smaller than the sum of its proper divisors (69060508503036).

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

44661844816644 is a wasteful number, since it uses less digits than its factorization.

44661844816644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112075680 (or 112075678 counting only the distinct ones).

The product of its digits is 339738624, while the sum is 66.

The spelling of 44661844816644 in words is "forty-four trillion, six hundred sixty-one billion, eight hundred forty-four million, eight hundred sixteen thousand, six hundred forty-four".