42158600 has 48 divisors (see below), whose sum is σ = 106935120. Its totient is φ = 15329600.

The previous prime is 42158581. The next prime is 42158603. The reversal of 42158600 is 685124.

It is a self number, because there is not a number n which added to its sum of digits gives 42158600.

It is not an unprimeable number, because it can be changed into a prime (42158603) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7382 + ... + 11781.

It is an arithmetic number, because the mean of its divisors is an integer number (2227815).

Almost surely, 2^42158600 is an apocalyptic number.

42158600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42158600 is an abundant number, since it is smaller than the sum of its proper divisors (64776520).

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

42158600 is a wasteful number, since it uses less digits than its factorization.

42158600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19190 (or 19181 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 42158600 is about 6492.9654242110. The cubic root of 42158600 is about 348.0396528560.

The spelling of 42158600 in words is "forty-two million, one hundred fifty-eight thousand, six hundred".