44512065624 has 128 divisors (see below), whose sum is σ = 126811238400. Its totient is φ = 12906915840.

The previous prime is 44512065593. The next prime is 44512065629. The reversal of 44512065624 is 42656021544.

It is a super-2 number, since 2×44512065624² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44512065629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1112592 + ... + 1151904.

It is an arithmetic number, because the mean of its divisors is an integer number (990712800).

Almost surely, 2^44512065624 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44512065624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63405619200).

44512065624 is an abundant number, since it is smaller than the sum of its proper divisors (82299172776).

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

44512065624 is a wasteful number, since it uses less digits than its factorization.

44512065624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39545 (or 39541 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 44512065624 in words is "forty-four billion, five hundred twelve million, sixty-five thousand, six hundred twenty-four".