40071040399 has 4 divisors (see below), whose sum is σ = 43153428136. Its totient is φ = 36988652664.

The previous prime is 40071040397. The next prime is 40071040411. The reversal of 40071040399 is 99304017004.

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 40071040399 - 2¹ = 40071040397 is a prime.

It is a super-3 number, since 3×40071040399³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40071040397) 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, 1541193849 + ... + 1541193874.

It is an arithmetic number, because the mean of its divisors is an integer number (10788357034).

Almost surely, 2^40071040399 is an apocalyptic number.

40071040399 is a deficient number, since it is larger than the sum of its proper divisors (3082387737).

40071040399 is a wasteful number, since it uses less digits than its factorization.

40071040399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3082387736.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 40071040399 in words is "forty billion, seventy-one million, forty thousand, three hundred ninety-nine".