1094798640 has 160 divisors (see below), whose sum is σ = 3870127296. Its totient is φ = 253624320.

The previous prime is 1094798603. The next prime is 1094798651. The reversal of 1094798640 is 468974901.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 1094798640.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42720 + ... + 63360.

Almost surely, 2^1094798640 is an apocalyptic number.

1094798640 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 1094798640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1935063648).

1094798640 is an abundant number, since it is smaller than the sum of its proper divisors (2775328656).

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

1094798640 is a wasteful number, since it uses less digits than its factorization.

1094798640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20687 (or 20681 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 48.

The square root of 1094798640 is about 33087.7415367081. The cubic root of 1094798640 is about 1030.6504955567.

The spelling of 1094798640 in words is "one billion, ninety-four million, seven hundred ninety-eight thousand, six hundred forty".