40490006279 has 4 divisors (see below), whose sum is σ = 41431634376. Its totient is φ = 39548378184.

The previous prime is 40490006273. The next prime is 40490006329. The reversal of 40490006279 is 97260009404.

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 40490006279 - 2⁸ = 40490006023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40490006273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470813984 + ... + 470814069.

It is an arithmetic number, because the mean of its divisors is an integer number (10357908594).

Almost surely, 2^40490006279 is an apocalyptic number.

40490006279 is a deficient number, since it is larger than the sum of its proper divisors (941628097).

40490006279 is an equidigital number, since it uses as much as digits as its factorization.

40490006279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941628096.

The product of its (nonzero) digits is 108864, while the sum is 41.

The spelling of 40490006279 in words is "forty billion, four hundred ninety million, six thousand, two hundred seventy-nine".