1090045080 has 64 divisors (see below), whose sum is σ = 3633487200. Its totient is φ = 290678400.

The previous prime is 1090045079. The next prime is 1090045087. The reversal of 1090045080 is 805400901.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1090045087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 503571 + ... + 505730.

Almost surely, 2^1090045080 is an apocalyptic number.

1090045080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1090045080 is an abundant number, since it is smaller than the sum of its proper divisors (2543442120).

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

1090045080 is a wasteful number, since it uses less digits than its factorization.

1090045080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1009321 (or 1009311 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 1090045080 is about 33015.8307482941. The cubic root of 1090045080 is about 1029.1566540647.

Adding to 1090045080 its reverse (805400901), we get a palindrome (1895445981).

The spelling of 1090045080 in words is "one billion, ninety million, forty-five thousand, eighty".