44613631644 has 24 divisors (see below), whose sum is σ = 109577341440. Its totient is φ = 14088515184.

The previous prime is 44613631619. The next prime is 44613631669.

It is a happy number.

44613631644 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (44613631619) and next prime (44613631669).

It is a super-2 number, since 2×44613631644² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 44613631596 and 44613631605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97836684 + ... + 97837139.

It is an arithmetic number, because the mean of its divisors is an integer number (4565722560).

Almost surely, 2^44613631644 is an apocalyptic number.

It is an amenable number.

44613631644 is an abundant number, since it is smaller than the sum of its proper divisors (64963709796).

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

44613631644 is a wasteful number, since it uses less digits than its factorization.

44613631644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195673849 (or 195673847 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

The spelling of 44613631644 in words is "forty-four billion, six hundred thirteen million, six hundred thirty-one thousand, six hundred forty-four".