42524450 has 24 divisors (see below), whose sum is σ = 79446180. Its totient is φ = 16934400.

The previous prime is 42524441. The next prime is 42524453. The reversal of 42524450 is 5442524.

It can be written as a sum of positive squares in 6 ways, for example, as 11175649 + 31348801 = 3343^2 + 5599^2 .

It is not an unprimeable number, because it can be changed into a prime (42524453) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10286 + ... + 13814.

Almost surely, 2^42524450 is an apocalyptic number.

42524450 is a deficient number, since it is larger than the sum of its proper divisors (36921730).

42524450 is a wasteful number, since it uses less digits than its factorization.

42524450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3782 (or 3777 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 42524450 is about 6521.0773649758. The cubic root of 42524450 is about 349.0435109119.

Adding to 42524450 its reverse (5442524), we get a palindrome (47966974).

The spelling of 42524450 in words is "forty-two million, five hundred twenty-four thousand, four hundred fifty".