42540410 has 16 divisors (see below), whose sum is σ = 83534112. Its totient is φ = 15469200.

The previous prime is 42540403. The next prime is 42540413. The reversal of 42540410 is 1404524.

42540410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (42540413) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 193256 + ... + 193475.

It is an arithmetic number, because the mean of its divisors is an integer number (5220882).

Almost surely, 2^42540410 is an apocalyptic number.

42540410 is a deficient number, since it is larger than the sum of its proper divisors (40993702).

42540410 is a wasteful number, since it uses less digits than its factorization.

42540410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386749.

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42540410 is about 6522.3009743495. The cubic root of 42540410 is about 349.0871723636.

Adding to 42540410 its reverse (1404524), we get a palindrome (43944934).

The spelling of 42540410 in words is "forty-two million, five hundred forty thousand, four hundred ten".