1090846680 has 128 divisors (see below), whose sum is σ = 4080084480. Its totient is φ = 226667520.

The previous prime is 1090846663. The next prime is 1090846681. The reversal of 1090846680 is 866480901.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090846681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49789 + ... + 68268.

It is an arithmetic number, because the mean of its divisors is an integer number (31875660).

Almost surely, 2^1090846680 is an apocalyptic number.

1090846680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1090846680 is an abundant number, since it is smaller than the sum of its proper divisors (2989237800).

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

1090846680 is a wasteful number, since it uses less digits than its factorization.

1090846680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118089 (or 118085 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1090846680 is about 33027.9681482225. The cubic root of 1090846680 is about 1029.4088668243.

The spelling of 1090846680 in words is "one billion, ninety million, eight hundred forty-six thousand, six hundred eighty".