10505442 has 16 divisors (see below), whose sum is σ = 22116960. Its totient is φ = 3317472.

The previous prime is 10505441. The next prime is 10505449. The reversal of 10505442 is 24450501.

It is a super-2 number, since 2×10505442² = 220728623230728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10505441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45963 + ... + 46190.

It is an arithmetic number, because the mean of its divisors is an integer number (1382310).

Almost surely, 2^10505442 is an apocalyptic number.

10505442 is an abundant number, since it is smaller than the sum of its proper divisors (11611518).

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

10505442 is a wasteful number, since it uses less digits than its factorization.

10505442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92177.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 10505442 is about 3241.2099592590. The cubic root of 10505442 is about 219.0137811640.

Adding to 10505442 its reverse (24450501), we get a palindrome (34955943).

The spelling of 10505442 in words is "ten million, five hundred five thousand, four hundred forty-two".