18941044 has 12 divisors (see below), whose sum is σ = 33181344. Its totient is φ = 9460664.

The previous prime is 18941023. The next prime is 18941051. The reversal of 18941044 is 44014981.

18941044 = T₃₅₅₂ + T₃₅₅₃ + T₃₅₅₄.

It is a junction number, because it is equal to n+sod(n) for n = 18940997 and 18941015.

It is a congruent number.

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, 3417 + ... + 7039.

It is an arithmetic number, because the mean of its divisors is an integer number (2765112).

Almost surely, 2^18941044 is an apocalyptic number.

18941044 is the 3554-th centered triangular number.

It is an amenable number.

18941044 is a deficient number, since it is larger than the sum of its proper divisors (14240300).

18941044 is a wasteful number, since it uses less digits than its factorization.

18941044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4934 (or 4932 counting only the distinct ones).

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

The square root of 18941044 is about 4352.1309722939. The cubic root of 18941044 is about 266.5638819152.

The spelling of 18941044 in words is "eighteen million, nine hundred forty-one thousand, forty-four".