42540411 has 32 divisors (see below), whose sum is σ = 62092800. Its totient is φ = 25816320.

The previous prime is 42540403. The next prime is 42540413. The reversal of 42540411 is 11404524.

It is a happy number.

It is not a de Polignac number, because 42540411 - 2³ = 42540403 is a prime.

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

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254650 + ... + 254816.

It is an arithmetic number, because the mean of its divisors is an integer number (1940400).

Almost surely, 2^42540411 is an apocalyptic number.

42540411 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42540411 is a deficient number, since it is larger than the sum of its proper divisors (19552389).

42540411 is a wasteful number, since it uses less digits than its factorization.

42540411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339.

The product of its (nonzero) digits is 640, while the sum is 21.

The square root of 42540411 is about 6522.3010510095. The cubic root of 42540411 is about 349.0871750989.

Adding to 42540411 its reverse (11404524), we get a palindrome (53944935).

The spelling of 42540411 in words is "forty-two million, five hundred forty thousand, four hundred eleven".