1089403472 has 20 divisors (see below), whose sum is σ = 2112114816. Its totient is φ = 544341600.

The previous prime is 1089403439. The next prime is 1089403489. The reversal of 1089403472 is 2743049801.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

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, 3347 + ... + 46797.

Almost surely, 2^1089403472 is an apocalyptic number.

It is an amenable number.

1089403472 is a deficient number, since it is larger than the sum of its proper divisors (1022711344).

1089403472 is a wasteful number, since it uses less digits than its factorization.

1089403472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45026 (or 45020 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1089403472 is about 33006.1126459933. The cubic root of 1089403472 is about 1028.9546915489.

The spelling of 1089403472 in words is "one billion, eighty-nine million, four hundred three thousand, four hundred seventy-two".