1103556444 has 48 divisors (see below), whose sum is σ = 2593704960. Its totient is φ = 365186880.

The previous prime is 1103556427. The next prime is 1103556469. The reversal of 1103556444 is 4446553011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1427242 + ... + 1428014.

It is an arithmetic number, because the mean of its divisors is an integer number (54035520).

Almost surely, 2^1103556444 is an apocalyptic number.

It is an amenable number.

1103556444 is an abundant number, since it is smaller than the sum of its proper divisors (1490148516).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1103556444 is a wasteful number, since it uses less digits than its factorization.

1103556444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1490 (or 1488 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 1103556444 is about 33219.8200476764. The cubic root of 1103556444 is about 1033.3914175698.

The spelling of 1103556444 in words is "one billion, one hundred three million, five hundred fifty-six thousand, four hundred forty-four".