40395873 has 8 divisors (see below), whose sum is σ = 61555648. Its totient is φ = 23083344.

The previous prime is 40395871. The next prime is 40395907. The reversal of 40395873 is 37859304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40395873 - 2¹ = 40395871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40395871) 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, 961786 + ... + 961827.

It is an arithmetic number, because the mean of its divisors is an integer number (7694456).

Almost surely, 2^40395873 is an apocalyptic number.

It is an amenable number.

40395873 is a deficient number, since it is larger than the sum of its proper divisors (21159775).

40395873 is a wasteful number, since it uses less digits than its factorization.

40395873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923623.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 40395873 is about 6355.7747757453. The cubic root of 40395873 is about 343.1197099061.

The spelling of 40395873 in words is "forty million, three hundred ninety-five thousand, eight hundred seventy-three".