44717745720 has 32 divisors (see below), whose sum is σ = 134153237520. Its totient is φ = 11924732160.

The previous prime is 44717745689. The next prime is 44717745733. The reversal of 44717745720 is 2754771744.

It is a self number, because there is not a number n which added to its sum of digits gives 44717745720.

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, 186323821 + ... + 186324060.

Almost surely, 2^44717745720 is an apocalyptic number.

44717745720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44717745720 is an abundant number, since it is smaller than the sum of its proper divisors (89435491800).

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

44717745720 is a wasteful number, since it uses less digits than its factorization.

44717745720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372647895 (or 372647891 counting only the distinct ones).

The product of its (nonzero) digits is 1536640, while the sum is 48.

The spelling of 44717745720 in words is "forty-four billion, seven hundred seventeen million, seven hundred forty-five thousand, seven hundred twenty".