10650042 has 60 divisors (see below), whose sum is σ = 25907310. Its totient is φ = 3268512.

The previous prime is 10650023. The next prime is 10650049. The reversal of 10650042 is 24005601.

It is a happy number.

10650042 is a `hidden beast` number, since 10 + 650 + 0 + 4 + 2 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 3884841 + 6765201 = 1971^2 + 2601^2 .

It is a super-2 number, since 2×10650042² = 226846789203528, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10649997 and 10650024.

It is not an unprimeable number, because it can be changed into a prime (10650049) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 27184 + ... + 27572.

Almost surely, 2^10650042 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10650042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12953655).

10650042 is an abundant number, since it is smaller than the sum of its proper divisors (15257268).

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

10650042 is a wasteful number, since it uses less digits than its factorization.

10650042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 429 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10650042 is about 3263.4402093496. The cubic root of 10650042 is about 220.0140624620.

Adding to 10650042 its reverse (24005601), we get a palindrome (34655643).

The spelling of 10650042 in words is "ten million, six hundred fifty thousand, forty-two".