40305195 has 72 divisors (see below), whose sum is σ = 84402864. Its totient is φ = 18398016.

The previous prime is 40305193. The next prime is 40305203. The reversal of 40305195 is 59150304.

It is not a de Polignac number, because 40305195 - 2¹ = 40305193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40305193) 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 71 ways as a sum of consecutive naturals, for example, 59197 + ... + 59873.

It is an arithmetic number, because the mean of its divisors is an integer number (1172262).

Almost surely, 2^40305195 is an apocalyptic number.

40305195 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40305195 is an abundant number, since it is smaller than the sum of its proper divisors (44097669).

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

40305195 is an equidigital number, since it uses as much as digits as its factorization.

40305195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711 (or 692 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 40305195 is about 6348.6372553486. The cubic root of 40305195 is about 342.8627800412.

Adding to 40305195 its reverse (59150304), we get a palindrome (99455499).

The spelling of 40305195 in words is "forty million, three hundred five thousand, one hundred ninety-five".