44220132312 has 32 divisors (see below), whose sum is σ = 112424068800. Its totient is φ = 14490212384.

The previous prime is 44220132293. The next prime is 44220132317. The reversal of 44220132312 is 21323102244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44220132317) 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, 15613038 + ... + 15615869.

It is an arithmetic number, because the mean of its divisors is an integer number (3513252150).

Almost surely, 2^44220132312 is an apocalyptic number.

It is an amenable number.

44220132312 is an abundant number, since it is smaller than the sum of its proper divisors (68203936488).

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

44220132312 is a wasteful number, since it uses less digits than its factorization.

44220132312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31228975 (or 31228971 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 44220132312 its reverse (21323102244), we get a palindrome (65543234556).

The spelling of 44220132312 in words is "forty-four billion, two hundred twenty million, one hundred thirty-two thousand, three hundred twelve".