1094728640 has 56 divisors (see below), whose sum is σ = 2625955632. Its totient is φ = 434677760.

The previous prime is 1094728639. The next prime is 1094728703. The reversal of 1094728640 is 468274901.

It is a hoax number, since the sum of its digits (41) 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 7 ways as a sum of consecutive naturals, for example, 31355 + ... + 56325.

Almost surely, 2^1094728640 is an apocalyptic number.

1094728640 is a gapful number since it is divisible by the number (10) 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 1094728640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1312977816).

1094728640 is an abundant number, since it is smaller than the sum of its proper divisors (1531226992).

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

1094728640 is a wasteful number, since it uses less digits than its factorization.

1094728640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25125 (or 25115 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 1094728640 is about 33086.6837262365. The cubic root of 1094728640 is about 1030.6285289381.

The spelling of 1094728640 in words is "one billion, ninety-four million, seven hundred twenty-eight thousand, six hundred forty".