40530641611 has 4 divisors (see below), whose sum is σ = 41295370752. Its totient is φ = 39765912472.

The previous prime is 40530641551. The next prime is 40530641617. The reversal of 40530641611 is 11614603504.

40530641611 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40530641611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40530641617) 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, 382364491 + ... + 382364596.

It is an arithmetic number, because the mean of its divisors is an integer number (10323842688).

Almost surely, 2^40530641611 is an apocalyptic number.

40530641611 is a deficient number, since it is larger than the sum of its proper divisors (764729141).

40530641611 is an equidigital number, since it uses as much as digits as its factorization.

40530641611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764729140.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 40530641611 in words is "forty billion, five hundred thirty million, six hundred forty-one thousand, six hundred eleven".