40195764 has 120 divisors (see below), whose sum is σ = 123594240. Its totient is φ = 11150784.

The previous prime is 40195751. The next prime is 40195777. The reversal of 40195764 is 46759104.

40195764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40195751) and next prime (40195777).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 83677 + ... + 84155.

It is an arithmetic number, because the mean of its divisors is an integer number (1029952).

Almost surely, 2^40195764 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 40195764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61797120).

40195764 is an abundant number, since it is smaller than the sum of its proper divisors (83398476).

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

40195764 is a wasteful number, since it uses less digits than its factorization.

40195764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 40195764 is about 6340.0129337408. The cubic root of 40195764 is about 342.5522011827.

The spelling of 40195764 in words is "forty million, one hundred ninety-five thousand, seven hundred sixty-four".