10645940 has 24 divisors (see below), whose sum is σ = 22878240. Its totient is φ = 4159008.

The previous prime is 10645933. The next prime is 10645949. The reversal of 10645940 is 4954601.

It is a super-2 number, since 2×10645940² = 226672076967200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10645949) by changing a digit.

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, 5330 + ... + 7049.

It is an arithmetic number, because the mean of its divisors is an integer number (953260).

Almost surely, 2^10645940 is an apocalyptic number.

10645940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10645940 is an abundant number, since it is smaller than the sum of its proper divisors (12232300).

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

10645940 is a wasteful number, since it uses less digits than its factorization.

10645940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12431 (or 12429 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 10645940 is about 3262.8116709366. The cubic root of 10645940 is about 219.9858117572.

The spelling of 10645940 in words is "ten million, six hundred forty-five thousand, nine hundred forty".