10890732040 has 32 divisors (see below), whose sum is σ = 24660238680. Its totient is φ = 4328543232.

The previous prime is 10890731953. The next prime is 10890732067. The reversal of 10890732040 is 4023709801.

It can be written as a sum of positive squares in 4 ways, for example, as 9598904676 + 1291827364 = 97974^2 + 35942^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10890731987 and 10890732005.

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 7 ways as a sum of consecutive naturals, for example, 860817 + ... + 873376.

Almost surely, 2^10890732040 is an apocalyptic number.

10890732040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10890732040 is an abundant number, since it is smaller than the sum of its proper divisors (13769506640).

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

10890732040 is a wasteful number, since it uses less digits than its factorization.

10890732040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734361 (or 1734357 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 10890732040 in words is "ten billion, eight hundred ninety million, seven hundred thirty-two thousand, forty".