40530042158 has 8 divisors (see below), whose sum is σ = 63438326928. Its totient is φ = 19383933184.

The previous prime is 40530042151. The next prime is 40530042173. The reversal of 40530042158 is 85124003504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40530042151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440543891 + ... + 440543982.

It is an arithmetic number, because the mean of its divisors is an integer number (7929790866).

Almost surely, 2^40530042158 is an apocalyptic number.

40530042158 is a deficient number, since it is larger than the sum of its proper divisors (22908284770).

40530042158 is a wasteful number, since it uses less digits than its factorization.

40530042158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881087898.

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 40530042158 in words is "forty billion, five hundred thirty million, forty-two thousand, one hundred fifty-eight".