40615145563 has 4 divisors (see below), whose sum is σ = 40732192440. Its totient is φ = 40498098688.

The previous prime is 40615145521. The next prime is 40615145573. The reversal of 40615145563 is 36554151604.

It is a happy number.

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-40615145563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40615145573) 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, 58522918 + ... + 58523611.

It is an arithmetic number, because the mean of its divisors is an integer number (10183048110).

Almost surely, 2^40615145563 is an apocalyptic number.

40615145563 is a deficient number, since it is larger than the sum of its proper divisors (117046877).

40615145563 is a wasteful number, since it uses less digits than its factorization.

40615145563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117046876.

The product of its (nonzero) digits is 216000, while the sum is 40.

The spelling of 40615145563 in words is "forty billion, six hundred fifteen million, one hundred forty-five thousand, five hundred sixty-three".