40537842 has 16 divisors (see below), whose sum is σ = 81371712. Its totient is φ = 13463280.

The previous prime is 40537841. The next prime is 40537867. The reversal of 40537842 is 24873504.

It is not an unprimeable number, because it can be changed into a prime (40537841) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10534 + ... + 13857.

It is an arithmetic number, because the mean of its divisors is an integer number (5085732).

Almost surely, 2^40537842 is an apocalyptic number.

40537842 is an abundant number, since it is smaller than the sum of its proper divisors (40833870).

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

40537842 is a wasteful number, since it uses less digits than its factorization.

40537842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24673.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 40537842 is about 6366.9334848104. The cubic root of 40537842 is about 343.5211981773.

The spelling of 40537842 in words is "forty million, five hundred thirty-seven thousand, eight hundred forty-two".