44138434 has 8 divisors (see below), whose sum is σ = 66604608. Its totient is φ = 21936900.

The previous prime is 44138429. The next prime is 44138459. The reversal of 44138434 is 43483144.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 44138396 and 44138405.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65742 + ... + 66409.

It is an arithmetic number, because the mean of its divisors is an integer number (8325576).

Almost surely, 2^44138434 is an apocalyptic number.

44138434 is a deficient number, since it is larger than the sum of its proper divisors (22466174).

44138434 is a wasteful number, since it uses less digits than its factorization.

44138434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132320.

The product of its digits is 18432, while the sum is 31.

The square root of 44138434 is about 6643.6762413591. The cubic root of 44138434 is about 353.4046885279.

The spelling of 44138434 in words is "forty-four million, one hundred thirty-eight thousand, four hundred thirty-four".