40793632307821 has 16 divisors (see below), whose sum is σ = 43432213305600. Its totient is φ = 38204387451648.

The previous prime is 40793632307809. The next prime is 40793632307861. The reversal of 40793632307821 is 12870323639704.

It is a happy number.

40793632307821 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40793632307821 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 (40793632307861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5588380 + ... + 10621546.

It is an arithmetic number, because the mean of its divisors is an integer number (2714513331600).

Almost surely, 2^{40793632307821} is an apocalyptic number.

It is an amenable number.

40793632307821 is a deficient number, since it is larger than the sum of its proper divisors (2638580997779).

40793632307821 is a wasteful number, since it uses less digits than its factorization.

40793632307821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038068.

The product of its (nonzero) digits is 9144576, while the sum is 55.

The spelling of 40793632307821 in words is "forty trillion, seven hundred ninety-three billion, six hundred thirty-two million, three hundred seven thousand, eight hundred twenty-one".