40510542 has 16 divisors (see below), whose sum is σ = 82997712. Its totient is φ = 13174080.

The previous prime is 40510537. The next prime is 40510579. The reversal of 40510542 is 24501504.

It is a super-2 number, since 2×40510542² = 3282208026267528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82093 + ... + 82584.

It is an arithmetic number, because the mean of its divisors is an integer number (5187357).

Almost surely, 2^40510542 is an apocalyptic number.

40510542 is an abundant number, since it is smaller than the sum of its proper divisors (42487170).

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

40510542 is a wasteful number, since it uses less digits than its factorization.

40510542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164723.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 40510542 is about 6364.7892345309. The cubic root of 40510542 is about 343.4440666688. Note that the first 3 decimals are identical.

The spelling of 40510542 in words is "forty million, five hundred ten thousand, five hundred forty-two".