44424342418 has 4 divisors (see below), whose sum is σ = 66636513630. Its totient is φ = 22212171208.

The previous prime is 44424342409. The next prime is 44424342419. The reversal of 44424342418 is 81424342444.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26521099609 + 17903242809 = 162853^2 + 133803^2 .

It is not an unprimeable number, because it can be changed into a prime (44424342419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11106085603 + ... + 11106085606.

Almost surely, 2^44424342418 is an apocalyptic number.

44424342418 is a deficient number, since it is larger than the sum of its proper divisors (22212171212).

44424342418 is a wasteful number, since it uses less digits than its factorization.

44424342418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22212171211.

The product of its digits is 393216, while the sum is 40.

The spelling of 44424342418 in words is "forty-four billion, four hundred twenty-four million, three hundred forty-two thousand, four hundred eighteen".