44135645554 has 96 divisors (see below), whose sum is σ = 89621043840. Its totient is φ = 15829632000.

The previous prime is 44135645501. The next prime is 44135645557. The reversal of 44135645554 is 45554653144.

It is not an unprimeable number, because it can be changed into a prime (44135645557) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10434312 + ... + 10438540.

It is an arithmetic number, because the mean of its divisors is an integer number (933552540).

Almost surely, 2^44135645554 is an apocalyptic number.

44135645554 is an abundant number, since it is smaller than the sum of its proper divisors (45485398286).

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

44135645554 is a wasteful number, since it uses less digits than its factorization.

44135645554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676 (or 4663 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 46.

The spelling of 44135645554 in words is "forty-four billion, one hundred thirty-five million, six hundred forty-five thousand, five hundred fifty-four".