44138654340 has 48 divisors (see below), whose sum is σ = 134823528000. Its totient is φ = 10700279680.

The previous prime is 44138654323. The next prime is 44138654407. The reversal of 44138654340 is 4345683144.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 44138654292 and 44138654301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33437715 + ... + 33439034.

It is an arithmetic number, because the mean of its divisors is an integer number (2808823500).

Almost surely, 2^44138654340 is an apocalyptic number.

It is an amenable number.

44138654340 is an abundant number, since it is smaller than the sum of its proper divisors (90684873660).

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

44138654340 is a wasteful number, since it uses less digits than its factorization.

44138654340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66876772 (or 66876770 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The spelling of 44138654340 in words is "forty-four billion, one hundred thirty-eight million, six hundred fifty-four thousand, three hundred forty".