42490195 has 16 divisors (see below), whose sum is σ = 56181600. Its totient is φ = 30592000.

The previous prime is 42490193. The next prime is 42490199. The reversal of 42490195 is 59109424.

It is not a de Polignac number, because 42490195 - 2¹ = 42490193 is a prime.

It is a super-2 number, since 2×42490195² = 3610833342276050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42490195.

It is not an unprimeable number, because it can be changed into a prime (42490193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1731 + ... + 9379.

It is an arithmetic number, because the mean of its divisors is an integer number (3511350).

Almost surely, 2^42490195 is an apocalyptic number.

42490195 is a deficient number, since it is larger than the sum of its proper divisors (13691405).

42490195 is a wasteful number, since it uses less digits than its factorization.

42490195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7766.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 42490195 is about 6518.4503526528. The cubic root of 42490195 is about 348.9497632964.

The spelling of 42490195 in words is "forty-two million, four hundred ninety thousand, one hundred ninety-five".