40195738 has 16 divisors (see below), whose sum is σ = 66570336. Its totient is φ = 18049840.

The previous prime is 40195717. The next prime is 40195751. The reversal of 40195738 is 83759104.

40195738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40195697 and 40195706.

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 7 ways as a sum of consecutive naturals, for example, 9181 + ... + 12832.

It is an arithmetic number, because the mean of its divisors is an integer number (4160646).

Almost surely, 2^40195738 is an apocalyptic number.

40195738 is a deficient number, since it is larger than the sum of its proper divisors (26374598).

40195738 is a wasteful number, since it uses less digits than its factorization.

40195738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22109.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 40195738 is about 6340.0108832714. The cubic root of 40195738 is about 342.5521273245.

The spelling of 40195738 in words is "forty million, one hundred ninety-five thousand, seven hundred thirty-eight".