40842558 has 12 divisors (see below), whose sum is σ = 88492248. Its totient is φ = 13614180.

The previous prime is 40842541. The next prime is 40842563. The reversal of 40842558 is 85524804.

It is a super-2 number, since 2×40842558² = 3336229087966728, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1134498 + ... + 1134533.

It is an arithmetic number, because the mean of its divisors is an integer number (7374354).

Almost surely, 2^40842558 is an apocalyptic number.

40842558 is an abundant number, since it is smaller than the sum of its proper divisors (47649690).

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

40842558 is a wasteful number, since it uses less digits than its factorization.

40842558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2269039 (or 2269036 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 36.

The square root of 40842558 is about 6390.8182574691. The cubic root of 40842558 is about 344.3797804460.

The spelling of 40842558 in words is "forty million, eight hundred forty-two thousand, five hundred fifty-eight".