44420311312 has 20 divisors (see below), whose sum is σ = 92684688460. Its totient is φ = 20501682048.

The previous prime is 44420311301. The next prime is 44420311333. The reversal of 44420311312 is 21311302444.

It can be written as a sum of positive squares in 2 ways, for example, as 9497671936 + 34922639376 = 97456^2 + 186876^2 .

It is a super-2 number, since 2×44420311312² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106779387 + ... + 106779802.

It is an arithmetic number, because the mean of its divisors is an integer number (4634234423).

Almost surely, 2^44420311312 is an apocalyptic number.

It is an amenable number.

44420311312 is an abundant number, since it is smaller than the sum of its proper divisors (48264377148).

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

44420311312 is a wasteful number, since it uses less digits than its factorization.

44420311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213559210 (or 213559204 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 44420311312 its reverse (21311302444), we get a palindrome (65731613756).

The spelling of 44420311312 in words is "forty-four billion, four hundred twenty million, three hundred eleven thousand, three hundred twelve".