42190854 has 16 divisors (see below), whose sum is σ = 84456000. Its totient is φ = 14051240.

The previous prime is 42190847. The next prime is 42190859. The reversal of 42190854 is 45809124.

It is a super-2 number, since 2×42190854² = 3560136322498632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42190859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6649 + ... + 11339.

It is an arithmetic number, because the mean of its divisors is an integer number (5278500).

Almost surely, 2^42190854 is an apocalyptic number.

42190854 is an abundant number, since it is smaller than the sum of its proper divisors (42265146).

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

42190854 is a wasteful number, since it uses less digits than its factorization.

42190854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6195.

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 42190854 is about 6495.4487142922. The cubic root of 42190854 is about 348.1283876922.

Adding to 42190854 its reverse (45809124), we get a palindrome (87999978).

The spelling of 42190854 in words is "forty-two million, one hundred ninety thousand, eight hundred fifty-four".