10990440 has 48 divisors (see below), whose sum is σ = 35720100. Its totient is φ = 2930688.

The previous prime is 10990423. The next prime is 10990457. The reversal of 10990440 is 4409901.

It is an interprime number because it is at equal distance from previous prime (10990423) and next prime (10990457).

It can be written as a sum of positive squares in 2 ways, for example, as 9036036 + 1954404 = 3006^2 + 1398^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14905 + ... + 15624.

Almost surely, 2^10990440 is an apocalyptic number.

10990440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10990440 is an abundant number, since it is smaller than the sum of its proper divisors (24729660).

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

10990440 is a wasteful number, since it uses less digits than its factorization.

10990440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30546 (or 30539 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 10990440 is about 3315.1832528535. The cubic root of 10990440 is about 222.3335623540. Note that the first 3 decimals are identical.

The spelling of 10990440 in words is "ten million, nine hundred ninety thousand, four hundred forty".