40663763403 has 4 divisors (see below), whose sum is σ = 54218351208. Its totient is φ = 27109175600.

The previous prime is 40663763359. The next prime is 40663763423. The reversal of 40663763403 is 30436736604.

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 40663763403 - 2⁶ = 40663763339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40663763423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6777293898 + ... + 6777293903.

It is an arithmetic number, because the mean of its divisors is an integer number (13554587802).

Almost surely, 2^40663763403 is an apocalyptic number.

40663763403 is a deficient number, since it is larger than the sum of its proper divisors (13554587805).

40663763403 is a wasteful number, since it uses less digits than its factorization.

40663763403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13554587804.

The product of its (nonzero) digits is 653184, while the sum is 42.

The spelling of 40663763403 in words is "forty billion, six hundred sixty-three million, seven hundred sixty-three thousand, four hundred three".