40127799 has 8 divisors (see below), whose sum is σ = 53622640. Its totient is φ = 26692416.

The previous prime is 40127779. The next prime is 40127827. The reversal of 40127799 is 99772104.

40127799 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40127799 - 2⁹ = 40127287 is a prime.

It is a super-2 number, since 2×40127799² = 3220480505168802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40127719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13264 + ... + 16005.

It is an arithmetic number, because the mean of its divisors is an integer number (6702830).

Almost surely, 2^40127799 is an apocalyptic number.

40127799 is a deficient number, since it is larger than the sum of its proper divisors (13494841).

40127799 is a wasteful number, since it uses less digits than its factorization.

40127799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29729.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 40127799 is about 6334.6506612441. The cubic root of 40127799 is about 342.3590241556.

It can be divided in two parts, 4012 and 7799, that added together give a palindrome (11811).

The spelling of 40127799 in words is "forty million, one hundred twenty-seven thousand, seven hundred ninety-nine".