10961840 has 40 divisors (see below), whose sum is σ = 25632288. Its totient is φ = 4359680.

The previous prime is 10961837. The next prime is 10961851. The reversal of 10961840 is 4816901.

It is a tau number, because it is divible by the number of its divisors (40).

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, 20780 + ... + 21300.

Almost surely, 2^10961840 is an apocalyptic number.

10961840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10961840 is an abundant number, since it is smaller than the sum of its proper divisors (14670448).

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

10961840 is a wasteful number, since it uses less digits than its factorization.

10961840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 10961840 is about 3310.8669559498. The cubic root of 10961840 is about 222.1405381265.

The spelling of 10961840 in words is "ten million, nine hundred sixty-one thousand, eight hundred forty".