10240542 has 48 divisors (see below), whose sum is σ = 24176880. Its totient is φ = 3113856.

The previous prime is 10240537. The next prime is 10240591. The reversal of 10240542 is 24504201.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24834 + ... + 25242.

It is an arithmetic number, because the mean of its divisors is an integer number (503685).

Almost surely, 2^10240542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10240542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12088440).

10240542 is an abundant number, since it is smaller than the sum of its proper divisors (13936338).

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

10240542 is a wasteful number, since it uses less digits than its factorization.

10240542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 534 counting only the distinct ones).

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

The square root of 10240542 is about 3200.0846863794. The cubic root of 10240542 is about 217.1572405474.

Adding to 10240542 its reverse (24504201), we get a palindrome (34744743).

The spelling of 10240542 in words is "ten million, two hundred forty thousand, five hundred forty-two".