44424129999 has 32 divisors (see below), whose sum is σ = 62487060480. Its totient is φ = 28017668448.

The previous prime is 44424129991. The next prime is 44424130001. The reversal of 44424129999 is 99992142444.

It is a happy number.

It is not a de Polignac number, because 44424129999 - 2³ = 44424129991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44424129991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6271942 + ... + 6279020.

It is an arithmetic number, because the mean of its divisors is an integer number (1952720640).

Almost surely, 2^44424129999 is an apocalyptic number.

44424129999 is a deficient number, since it is larger than the sum of its proper divisors (18062930481).

44424129999 is a wasteful number, since it uses less digits than its factorization.

44424129999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8091.

The product of its digits is 6718464, while the sum is 57.

The spelling of 44424129999 in words is "forty-four billion, four hundred twenty-four million, one hundred twenty-nine thousand, nine hundred ninety-nine".