1090800700 has 72 divisors (see below), whose sum is σ = 2652111504. Its totient is φ = 385920000.

The previous prime is 1090800661. The next prime is 1090800721. The reversal of 1090800700 is 70080901.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27300 + ... + 54100.

It is an arithmetic number, because the mean of its divisors is an integer number (36834882).

Almost surely, 2^1090800700 is an apocalyptic number.

1090800700 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 1090800700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326055752).

1090800700 is an abundant number, since it is smaller than the sum of its proper divisors (1561310804).

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

1090800700 is a wasteful number, since it uses less digits than its factorization.

1090800700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26863 (or 26856 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 25.

The square root of 1090800700 is about 33027.2720641593. The cubic root of 1090800700 is about 1029.3944031710.

The spelling of 1090800700 in words is "one billion, ninety million, eight hundred thousand, seven hundred".