44720886831 has 4 divisors (see below), whose sum is σ = 59627849112. Its totient is φ = 29813924552.

The previous prime is 44720886827. The next prime is 44720886869. The reversal of 44720886831 is 13868802744.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 44720886831 - 2² = 44720886827 is a prime.

It is a super-2 number, since 2×44720886831² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44720886811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7453481136 + ... + 7453481141.

It is an arithmetic number, because the mean of its divisors is an integer number (14906962278).

Almost surely, 2^44720886831 is an apocalyptic number.

44720886831 is a deficient number, since it is larger than the sum of its proper divisors (14906962281).

44720886831 is a wasteful number, since it uses less digits than its factorization.

44720886831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14906962280.

The product of its (nonzero) digits is 2064384, while the sum is 51.

The spelling of 44720886831 in words is "forty-four billion, seven hundred twenty million, eight hundred eighty-six thousand, eight hundred thirty-one".