1090769472 has 336 divisors, whose sum is σ = 3597647872. Its totient is φ = 313528320.

The previous prime is 1090769437. The next prime is 1090769479. The reversal of 1090769472 is 2749670901.

1090769472 is a `hidden beast` number, since 109 + 0 + 76 + 9 + 472 = 666.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (1090769479) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8588673 + ... + 8588799.

Almost surely, 2^1090769472 is an apocalyptic number.

1090769472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1090769472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798823936).

1090769472 is an abundant number, since it is smaller than the sum of its proper divisors (2506878400).

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

1090769472 is a wasteful number, since it uses less digits than its factorization.

1090769472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 213 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 1090769472 is about 33026.7992999624. The cubic root of 1090769472 is about 1029.3845797342.

The spelling of 1090769472 in words is "one billion, ninety million, seven hundred sixty-nine thousand, four hundred seventy-two".