1103400044 has 12 divisors (see below), whose sum is σ = 1935412584. Its totient is φ = 550425024.

The previous prime is 1103400041. The next prime is 1103400049. The reversal of 1103400044 is 4400043011.

It is a junction number, because it is equal to n+sod(n) for n = 1103399995 and 1103400031.

It is not an unprimeable number, because it can be changed into a prime (1103400041) 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, 316802 + ... + 320265.

It is an arithmetic number, because the mean of its divisors is an integer number (161284382).

Almost surely, 2^1103400044 is an apocalyptic number.

It is an amenable number.

1103400044 is a deficient number, since it is larger than the sum of its proper divisors (832012540).

1103400044 is a wasteful number, since it uses less digits than its factorization.

1103400044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637504 (or 637502 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1103400044 is about 33217.4659479016. The cubic root of 1103400044 is about 1033.3425966102.

Adding to 1103400044 its reverse (4400043011), we get a palindrome (5503443055).

The spelling of 1103400044 in words is "one billion, one hundred three million, four hundred thousand, forty-four".