40402095 has 16 divisors (see below), whose sum is σ = 65080800. Its totient is φ = 21401984.

The previous prime is 40402091. The next prime is 40402123. The reversal of 40402095 is 59020404.

It is a cyclic number.

It is not a de Polignac number, because 40402095 - 2² = 40402091 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40402091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6804 + ... + 11273.

It is an arithmetic number, because the mean of its divisors is an integer number (4067550).

Almost surely, 2^40402095 is an apocalyptic number.

40402095 is a deficient number, since it is larger than the sum of its proper divisors (24678705).

40402095 is a wasteful number, since it uses less digits than its factorization.

40402095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18234.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 40402095 is about 6356.2642330224. The cubic root of 40402095 is about 343.1373254122.

Adding to 40402095 its reverse (59020404), we get a palindrome (99422499).

The spelling of 40402095 in words is "forty million, four hundred two thousand, ninety-five".