10642842 has 24 divisors (see below), whose sum is σ = 26354016. Its totient is φ = 3040776.

The previous prime is 10642823. The next prime is 10642843. The reversal of 10642842 is 24824601.

10642842 is a `hidden beast` number, since 10 + 642 + 8 + 4 + 2 = 666.

It is a super-2 number, since 2×10642842² = 226540171673928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10642843) 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 11 ways as a sum of consecutive naturals, for example, 42108 + ... + 42359.

It is an arithmetic number, because the mean of its divisors is an integer number (1098084).

Almost surely, 2^10642842 is an apocalyptic number.

10642842 is an abundant number, since it is smaller than the sum of its proper divisors (15711174).

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

10642842 is a wasteful number, since it uses less digits than its factorization.

10642842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84482 (or 84479 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 10642842 is about 3262.3368924745. The cubic root of 10642842 is about 219.9644708465.

The spelling of 10642842 in words is "ten million, six hundred forty-two thousand, eight hundred forty-two".