44695654638 has 16 divisors (see below), whose sum is σ = 91571585616. Its totient is φ = 14535172160.

The previous prime is 44695654609. The next prime is 44695654649. The reversal of 44695654638 is 83645659644.

It is a super-2 number, since 2×44695654638² (a number of 22 digits) contains 22 as substring.

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, 90844581 + ... + 90845072.

It is an arithmetic number, because the mean of its divisors is an integer number (5723224101).

Almost surely, 2^44695654638 is an apocalyptic number.

44695654638 is an abundant number, since it is smaller than the sum of its proper divisors (46875930978).

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

44695654638 is a wasteful number, since it uses less digits than its factorization.

44695654638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181689699.

The product of its digits is 74649600, while the sum is 60.

The spelling of 44695654638 in words is "forty-four billion, six hundred ninety-five million, six hundred fifty-four thousand, six hundred thirty-eight".