44135014664 has 64 divisors (see below), whose sum is σ = 91510473600. Its totient is φ = 19830053376.

The previous prime is 44135014631. The next prime is 44135014697. The reversal of 44135014664 is 46641053144.

It is an interprime number because it is at equal distance from previous prime (44135014631) and next prime (44135014697).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 597092 + ... + 666924.

It is an arithmetic number, because the mean of its divisors is an integer number (1429851150).

Almost surely, 2^44135014664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44135014664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45755236800).

44135014664 is an abundant number, since it is smaller than the sum of its proper divisors (47375458936).

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

44135014664 is a wasteful number, since it uses less digits than its factorization.

44135014664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70014 (or 70010 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 38.

The spelling of 44135014664 in words is "forty-four billion, one hundred thirty-five million, fourteen thousand, six hundred sixty-four".