40626999705599 has 4 divisors (see below), whose sum is σ = 42027930729960. Its totient is φ = 39226068681240.

The previous prime is 40626999705571. The next prime is 40626999705629. The reversal of 40626999705599 is 99550799962604.

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 40626999705599 - 2¹² = 40626999701503 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 (40626999705559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 700465512137 + ... + 700465512194.

It is an arithmetic number, because the mean of its divisors is an integer number (10506982682490).

Almost surely, 2^{40626999705599} is an apocalyptic number.

40626999705599 is a deficient number, since it is larger than the sum of its proper divisors (1400931024361).

40626999705599 is a wasteful number, since it uses less digits than its factorization.

40626999705599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400931024360.

The product of its (nonzero) digits is 2976069600, while the sum is 80.

The spelling of 40626999705599 in words is "forty trillion, six hundred twenty-six billion, nine hundred ninety-nine million, seven hundred five thousand, five hundred ninety-nine".