10442520 has 160 divisors (see below), whose sum is σ = 38419920. Its totient is φ = 2522880.

The previous prime is 10442519. The next prime is 10442557. The reversal of 10442520 is 2524401.

10442520 is a `hidden beast` number, since 104 + 42 + 520 = 666.

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 = 10442493 and 10442502.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35494 + ... + 35786.

Almost surely, 2^10442520 is an apocalyptic number.

10442520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10442520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19209960).

10442520 is an abundant number, since it is smaller than the sum of its proper divisors (27977400).

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

10442520 is a wasteful number, since it uses less digits than its factorization.

10442520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 314 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 10442520 is about 3231.4888209616. The cubic root of 10442520 is about 218.5756466479.

Adding to 10442520 its reverse (2524401), we get a palindrome (12966921).

It can be divided in two parts, 104 and 42520, that added together give a palindrome (42624).

The spelling of 10442520 in words is "ten million, four hundred forty-two thousand, five hundred twenty".