44221240311288 has 32 divisors (see below), whose sum is σ = 111647685940560. Its totient is φ = 14594468748800.

The previous prime is 44221240311277. The next prime is 44221240311289. The reversal of 44221240311288 is 88211304212244.

It is a super-2 number, since 2×44221240311288² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44221240311289) 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, 9121540545 + ... + 9121545392.

Almost surely, 2^{44221240311288} is an apocalyptic number.

It is an amenable number.

44221240311288 is an abundant number, since it is smaller than the sum of its proper divisors (67426445629272).

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

44221240311288 is a wasteful number, since it uses less digits than its factorization.

44221240311288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18243086047 (or 18243086043 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 42.

The spelling of 44221240311288 in words is "forty-four trillion, two hundred twenty-one billion, two hundred forty million, three hundred eleven thousand, two hundred eighty-eight".