44400311312 has 40 divisors (see below), whose sum is σ = 98394000000. Its totient is φ = 19013409792.

The previous prime is 44400311299. The next prime is 44400311321. The reversal of 44400311312 is 21311300444.

44400311312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×44400311312² (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 7 ways as a sum of consecutive naturals, for example, 18812 + ... + 298587.

It is an arithmetic number, because the mean of its divisors is an integer number (2459850000).

Almost surely, 2^44400311312 is an apocalyptic number.

It is an amenable number.

44400311312 is an abundant number, since it is smaller than the sum of its proper divisors (53993688688).

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

44400311312 is a wasteful number, since it uses less digits than its factorization.

44400311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318663 (or 318657 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 44400311312 its reverse (21311300444), we get a palindrome (65711611756).

The spelling of 44400311312 in words is "forty-four billion, four hundred million, three hundred eleven thousand, three hundred twelve".