42240666195 has 48 divisors (see below), whose sum is σ = 90113429952. Its totient is φ = 17824631040.

The previous prime is 42240666179. The next prime is 42240666197. The reversal of 42240666195 is 59166604224.

It is not a de Polignac number, because 42240666195 - 2⁴ = 42240666179 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42240666195.

It is not an unprimeable number, because it can be changed into a prime (42240666197) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5153496 + ... + 5161685.

It is an arithmetic number, because the mean of its divisors is an integer number (1877363124).

Almost surely, 2^42240666195 is an apocalyptic number.

42240666195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42240666195 is an abundant number, since it is smaller than the sum of its proper divisors (47872763757).

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

42240666195 is a wasteful number, since it uses less digits than its factorization.

42240666195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10315212 (or 10315209 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

It can be divided in two parts, 422406 and 66195, that added together give a square (488601 = 699²).

The spelling of 42240666195 in words is "forty-two billion, two hundred forty million, six hundred sixty-six thousand, one hundred ninety-five".