40007895 has 8 divisors (see below), whose sum is σ = 64012656. Its totient is φ = 21337536.

The previous prime is 40007881. The next prime is 40007897. The reversal of 40007895 is 59870004.

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

It is not a de Polignac number, because 40007895 - 2¹⁰ = 40006871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40007897) 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, 1333582 + ... + 1333611.

It is an arithmetic number, because the mean of its divisors is an integer number (8001582).

Almost surely, 2^40007895 is an apocalyptic number.

40007895 is a deficient number, since it is larger than the sum of its proper divisors (24004761).

40007895 is a wasteful number, since it uses less digits than its factorization.

40007895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667201.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 40007895 is about 6325.1794440948. The cubic root of 40007895 is about 342.0176882887.

Adding to 40007895 its reverse (59870004), we get a palindrome (99877899).

The spelling of 40007895 in words is "forty million, seven thousand, eight hundred ninety-five".