1090896540 has 48 divisors (see below), whose sum is σ = 3097543680. Its totient is φ = 286807360.

The previous prime is 1090896539. The next prime is 1090896557. The reversal of 1090896540 is 456980901.

It is a junction number, because it is equal to n+sod(n) for n = 1090896492 and 1090896501.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123780 + ... + 132299.

It is an arithmetic number, because the mean of its divisors is an integer number (64532160).

Almost surely, 2^1090896540 is an apocalyptic number.

1090896540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1090896540 is an abundant number, since it is smaller than the sum of its proper divisors (2006647140).

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

1090896540 is a wasteful number, since it uses less digits than its factorization.

1090896540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256162 (or 256160 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 42.

The square root of 1090896540 is about 33028.7229544226. The cubic root of 1090896540 is about 1029.4245505267.

The spelling of 1090896540 in words is "one billion, ninety million, eight hundred ninety-six thousand, five hundred forty".