44745572757 has 8 divisors (see below), whose sum is σ = 59908319680. Its totient is φ = 29706603840.

The previous prime is 44745572749. The next prime is 44745572771. The reversal of 44745572757 is 75727554744.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44745572757 - 2³ = 44745572749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 44745572697 and 44745572706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44745572737) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30943657 + ... + 30945102.

It is an arithmetic number, because the mean of its divisors is an integer number (7488539960).

Almost surely, 2^44745572757 is an apocalyptic number.

It is an amenable number.

44745572757 is a deficient number, since it is larger than the sum of its proper divisors (15162746923).

44745572757 is a wasteful number, since it uses less digits than its factorization.

44745572757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61889003.

The product of its digits is 38416000, while the sum is 57.

The spelling of 44745572757 in words is "forty-four billion, seven hundred forty-five million, five hundred seventy-two thousand, seven hundred fifty-seven".