40787995 has 4 divisors (see below), whose sum is σ = 48945600. Its totient is φ = 32630392.

The previous prime is 40787983. The next prime is 40788001. The reversal of 40787995 is 59978704.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40787995 - 2¹³ = 40779803 is a prime.

It is a super-2 number, since 2×40787995² = 3327321072240050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4078795 + ... + 4078804.

It is an arithmetic number, because the mean of its divisors is an integer number (12236400).

Almost surely, 2^40787995 is an apocalyptic number.

40787995 is a deficient number, since it is larger than the sum of its proper divisors (8157605).

40787995 is an equidigital number, since it uses as much as digits as its factorization.

40787995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8157604.

The product of its (nonzero) digits is 635040, while the sum is 49.

The square root of 40787995 is about 6386.5479721051. The cubic root of 40787995 is about 344.2263557776.

The spelling of 40787995 in words is "forty million, seven hundred eighty-seven thousand, nine hundred ninety-five".