44216323557 has 32 divisors (see below), whose sum is σ = 67775864832. Its totient is φ = 25117348224.

The previous prime is 44216323513. The next prime is 44216323579. The reversal of 44216323557 is 75532361244.

It is not a de Polignac number, because 44216323557 - 2²³ = 44207934949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44216323507) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3158788 + ... + 3172754.

It is an arithmetic number, because the mean of its divisors is an integer number (2117995776).

Almost surely, 2^44216323557 is an apocalyptic number.

It is an amenable number.

44216323557 is a deficient number, since it is larger than the sum of its proper divisors (23559541275).

44216323557 is a wasteful number, since it uses less digits than its factorization.

44216323557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14857.

The product of its digits is 604800, while the sum is 42.

The spelling of 44216323557 in words is "forty-four billion, two hundred sixteen million, three hundred twenty-three thousand, five hundred fifty-seven".