40305194 has 16 divisors (see below), whose sum is σ = 64018080. Its totient is φ = 18978480.

The previous prime is 40305193. The next prime is 40305203. The reversal of 40305194 is 49150304.

It is not an unprimeable number, because it can be changed into a prime (40305193) 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, 3509 + ... + 9639.

It is an arithmetic number, because the mean of its divisors is an integer number (4001130).

Almost surely, 2^40305194 is an apocalyptic number.

40305194 is a deficient number, since it is larger than the sum of its proper divisors (23712886).

40305194 is a wasteful number, since it uses less digits than its factorization.

40305194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6325.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 40305194 is about 6348.6371765915. The cubic root of 40305194 is about 342.8627772057.

Adding to 40305194 its reverse (49150304), we get a palindrome (89455498).

The spelling of 40305194 in words is "forty million, three hundred five thousand, one hundred ninety-four".