40631763523 has 16 divisors (see below), whose sum is σ = 44202412800. Its totient is φ = 37125041184.

The previous prime is 40631763509. The next prime is 40631763539. The reversal of 40631763523 is 32536713604.

40631763523 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-40631763523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40631763553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3608340 + ... + 3619582.

It is an arithmetic number, because the mean of its divisors is an integer number (2762650800).

Almost surely, 2^40631763523 is an apocalyptic number.

40631763523 is a deficient number, since it is larger than the sum of its proper divisors (3570649277).

40631763523 is a wasteful number, since it uses less digits than its factorization.

40631763523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14058.

The product of its (nonzero) digits is 272160, while the sum is 40.

The spelling of 40631763523 in words is "forty billion, six hundred thirty-one million, seven hundred sixty-three thousand, five hundred twenty-three".