40063995 has 24 divisors (see below), whose sum is σ = 69609696. Its totient is φ = 21316608.

The previous prime is 40063963. The next prime is 40064033. The reversal of 40063995 is 59936004.

It is not a de Polignac number, because 40063995 - 2⁵ = 40063963 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25194 + ... + 26736.

It is an arithmetic number, because the mean of its divisors is an integer number (2900404).

Almost surely, 2^40063995 is an apocalyptic number.

40063995 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40063995 is a deficient number, since it is larger than the sum of its proper divisors (29545701).

40063995 is a wasteful number, since it uses less digits than its factorization.

40063995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2131 (or 2128 counting only the distinct ones).

The product of its (nonzero) digits is 29160, while the sum is 36.

The square root of 40063995 is about 6329.6125473839. The cubic root of 40063995 is about 342.1774753428.

Adding to 40063995 its reverse (59936004), we get a palindrome (99999999).

It can be divided in two parts, 4006 and 3995, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 40063995 in words is "forty million, sixty-three thousand, nine hundred ninety-five".