40195168 has 48 divisors (see below), whose sum is σ = 88947936. Its totient is φ = 17740800.

The previous prime is 40195163. The next prime is 40195171. The reversal of 40195168 is 86159104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40195163) 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, 7468 + ... + 11668.

It is an arithmetic number, because the mean of its divisors is an integer number (1853082).

Almost surely, 2^40195168 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40195168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44473968).

40195168 is an abundant number, since it is smaller than the sum of its proper divisors (48752768).

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

40195168 is a wasteful number, since it uses less digits than its factorization.

40195168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247 (or 4239 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 40195168 is about 6339.9659305078. The cubic root of 40195168 is about 342.5505081177.

The spelling of 40195168 in words is "forty million, one hundred ninety-five thousand, one hundred sixty-eight".