44431143388 has 24 divisors (see below), whose sum is σ = 78114970080. Its totient is φ = 22112751360.

The previous prime is 44431143377. The next prime is 44431143401. The reversal of 44431143388 is 88334113444.

44431143388 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 2×44431143388² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 1050433 + ... + 1091911.

It is an arithmetic number, because the mean of its divisors is an integer number (3254790420).

Almost surely, 2^44431143388 is an apocalyptic number.

It is an amenable number.

44431143388 is a deficient number, since it is larger than the sum of its proper divisors (33683826692).

44431143388 is a wasteful number, since it uses less digits than its factorization.

44431143388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42717 (or 42715 counting only the distinct ones).

The product of its digits is 442368, while the sum is 43.

The spelling of 44431143388 in words is "forty-four billion, four hundred thirty-one million, one hundred forty-three thousand, three hundred eighty-eight".