1090032840 has 192 divisors, whose sum is σ = 3859455600. Its totient is φ = 265199616.

The previous prime is 1090032817. The next prime is 1090032871. The reversal of 1090032840 is 482300901.

It can be written as a sum of positive squares in 8 ways, for example, as 417875364 + 672157476 = 20442^2 + 25926^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 415212 + ... + 417828.

Almost surely, 2^1090032840 is an apocalyptic number.

1090032840 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 1090032840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1929727800).

1090032840 is an abundant number, since it is smaller than the sum of its proper divisors (2769422760).

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

1090032840 is a wasteful number, since it uses less digits than its factorization.

1090032840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2729 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 1090032840 is about 33015.6453821518. The cubic root of 1090032840 is about 1029.1528019535.

The spelling of 1090032840 in words is "one billion, ninety million, thirty-two thousand, eight hundred forty".