42290524 has 12 divisors (see below), whose sum is σ = 74201400. Its totient is φ = 21090128.

The previous prime is 42290503. The next prime is 42290527. The reversal of 42290524 is 42509224.

It is a junction number, because it is equal to n+sod(n) for n = 42290492 and 42290501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42290527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12034 + ... + 15145.

It is an arithmetic number, because the mean of its divisors is an integer number (6183450).

Almost surely, 2^42290524 is an apocalyptic number.

It is an amenable number.

42290524 is a deficient number, since it is larger than the sum of its proper divisors (31910876).

42290524 is a wasteful number, since it uses less digits than its factorization.

42290524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27572 (or 27570 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 42290524 is about 6503.1164836561. The cubic root of 42290524 is about 348.4023070048.

Adding to 42290524 its reverse (42509224), we get a palindrome (84799748).

The spelling of 42290524 in words is "forty-two million, two hundred ninety thousand, five hundred twenty-four".