44640274550 has 12 divisors (see below), whose sum is σ = 83030910756. Its totient is φ = 17856109800.

The previous prime is 44640274529. The next prime is 44640274579. The reversal of 44640274550 is 5547204644.

It is a happy number.

It is a super-2 number, since 2×44640274550² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44640274498 and 44640274507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 446402696 + ... + 446402795.

It is an arithmetic number, because the mean of its divisors is an integer number (6919242563).

Almost surely, 2^44640274550 is an apocalyptic number.

44640274550 is a deficient number, since it is larger than the sum of its proper divisors (38390636206).

44640274550 is a wasteful number, since it uses less digits than its factorization.

44640274550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892805503 (or 892805498 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 41.

The spelling of 44640274550 in words is "forty-four billion, six hundred forty million, two hundred seventy-four thousand, five hundred fifty".