44931744 has 144 divisors (see below), whose sum is σ = 150250464. Its totient is φ = 12556800.

The previous prime is 44931743. The next prime is 44931763. The reversal of 44931744 is 44713944.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44931699 and 44931708.

It is not an unprimeable number, because it can be changed into a prime (44931743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40639 + ... + 41729.

It is an arithmetic number, because the mean of its divisors is an integer number (1043406).

Almost surely, 2^44931744 is an apocalyptic number.

44931744 is a gapful number since it is divisible by the number (44) 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 44931744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75125232).

44931744 is an abundant number, since it is smaller than the sum of its proper divisors (105318720).

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

44931744 is a wasteful number, since it uses less digits than its factorization.

44931744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1120 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 44931744 is about 6703.1144999918. The cubic root of 44931744 is about 355.5094029215.

The spelling of 44931744 in words is "forty-four million, nine hundred thirty-one thousand, seven hundred forty-four".