40894403807 has 2 divisors, whose sum is σ = 40894403808. Its totient is φ = 40894403806.

The previous prime is 40894403783. The next prime is 40894403861. The reversal of 40894403807 is 70830449804.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40894403807 - 2¹⁸ = 40894141663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40894403867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20447201903 + 20447201904.

It is an arithmetic number, because the mean of its divisors is an integer number (20447201904).

Almost surely, 2^40894403807 is an apocalyptic number.

40894403807 is a deficient number, since it is larger than the sum of its proper divisors (1).

40894403807 is an equidigital number, since it uses as much as digits as its factorization.

40894403807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 40894403807 in words is "forty billion, eight hundred ninety-four million, four hundred three thousand, eight hundred seven".