42207892542 has 24 divisors (see below), whose sum is σ = 91738933416. Its totient is φ = 14024912976.

The previous prime is 42207892541. The next prime is 42207892567. The reversal of 42207892542 is 24529870224.

42207892542 is a `hidden beast` number, since 4 + 2 + 20 + 7 + 89 + 2 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42207892541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3692848 + ... + 3704259.

It is an arithmetic number, because the mean of its divisors is an integer number (3822455559).

Almost surely, 2^42207892542 is an apocalyptic number.

42207892542 is an abundant number, since it is smaller than the sum of its proper divisors (49531040874).

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

42207892542 is a wasteful number, since it uses less digits than its factorization.

42207892542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7397432 (or 7397429 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 42207892542 in words is "forty-two billion, two hundred seven million, eight hundred ninety-two thousand, five hundred forty-two".