1813010044 has 6 divisors (see below), whose sum is σ = 3172767584. Its totient is φ = 906505020.

The previous prime is 1813010041. The next prime is 1813010051. The reversal of 1813010044 is 4400103181.

It is a junction number, because it is equal to n+sod(n) for n = 1813009997 and 1813010024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1813010041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226626252 + ... + 226626259.

Almost surely, 2^1813010044 is an apocalyptic number.

It is an amenable number.

1813010044 is a deficient number, since it is larger than the sum of its proper divisors (1359757540).

1813010044 is a wasteful number, since it uses less digits than its factorization.

1813010044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453252515 (or 453252513 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 1813010044 is about 42579.4556564548. The cubic root of 1813010044 is about 1219.3640966254.

It can be divided in two parts, 181 and 3010044, that added together give a square (3010225 = 1735²).

The spelling of 1813010044 in words is "one billion, eight hundred thirteen million, ten thousand, forty-four".