40905420263 has 8 divisors (see below), whose sum is σ = 42026077200. Its totient is φ = 39785558400.

The previous prime is 40905420251. The next prime is 40905420289. The reversal of 40905420263 is 36202450904.

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

It is a cyclic number.

It is not a de Polignac number, because 40905420263 - 2⁸ = 40905420007 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 (40905422263) 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 7 ways as a sum of consecutive naturals, for example, 93713 + ... + 300986.

It is an arithmetic number, because the mean of its divisors is an integer number (5253259650).

Almost surely, 2^40905420263 is an apocalyptic number.

40905420263 is a deficient number, since it is larger than the sum of its proper divisors (1120656937).

40905420263 is a wasteful number, since it uses less digits than its factorization.

40905420263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397537.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 40905420263 in words is "forty billion, nine hundred five million, four hundred twenty thousand, two hundred sixty-three".