10240940 has 12 divisors (see below), whose sum is σ = 21506016. Its totient is φ = 4096368.

The previous prime is 10240933. The next prime is 10240949. The reversal of 10240940 is 4904201.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 512047 = 10240940 / (1 + 0 + 2 + 4 + 0 + 9 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (10240949) 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 3 ways as a sum of consecutive naturals, for example, 256004 + ... + 256043.

It is an arithmetic number, because the mean of its divisors is an integer number (1792168).

Almost surely, 2^10240940 is an apocalyptic number.

10240940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10240940 is an abundant number, since it is smaller than the sum of its proper divisors (11265076).

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

10240940 is a wasteful number, since it uses less digits than its factorization.

10240940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512056 (or 512054 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 10240940 is about 3200.1468716295. The cubic root of 10240940 is about 217.1600537924.

The spelling of 10240940 in words is "ten million, two hundred forty thousand, nine hundred forty".