40499995 has 4 divisors (see below), whose sum is σ = 48600000. Its totient is φ = 32399992.

The previous prime is 40499993. The next prime is 40500011. The reversal of 40499995 is 59999404.

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 40499995 - 2¹ = 40499993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40499993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4049995 + ... + 4050004.

It is an arithmetic number, because the mean of its divisors is an integer number (12150000).

Almost surely, 2^40499995 is an apocalyptic number.

40499995 is a deficient number, since it is larger than the sum of its proper divisors (8100005).

40499995 is an equidigital number, since it uses as much as digits as its factorization.

40499995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100004.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 40499995 is about 6363.9606378418. The cubic root of 40499995 is about 343.4142586337.

The spelling of 40499995 in words is "forty million, four hundred ninety-nine thousand, nine hundred ninety-five".