19418044 has 12 divisors (see below), whose sum is σ = 34900264. Its totient is φ = 9446544.

The previous prime is 19418041. The next prime is 19418071. The reversal of 19418044 is 44081491.

It is a junction number, because it is equal to n+sod(n) for n = 19417997 and 19418015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19418041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65454 + ... + 65749.

Almost surely, 2^19418044 is an apocalyptic number.

It is an amenable number.

19418044 is a deficient number, since it is larger than the sum of its proper divisors (15482220).

19418044 is a wasteful number, since it uses less digits than its factorization.

19418044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131244 (or 131242 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 19418044 is about 4406.5909726227. The cubic root of 19418044 is about 268.7830185500.

The spelling of 19418044 in words is "nineteen million, four hundred eighteen thousand, forty-four".