40505304051 has 6 divisors (see below), whose sum is σ = 58507661420. Its totient is φ = 27003536028.

The previous prime is 40505304029. The next prime is 40505304079. The reversal of 40505304051 is 15040350504.

40505304051 is a `hidden beast` number, since 40 + 5 + 0 + 530 + 40 + 51 = 666.

It is not a de Polignac number, because 40505304051 - 2¹⁷ = 40505172979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40505300051) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2250294661 + ... + 2250294678.

Almost surely, 2^40505304051 is an apocalyptic number.

40505304051 is a deficient number, since it is larger than the sum of its proper divisors (18002357369).

40505304051 is a wasteful number, since it uses less digits than its factorization.

40505304051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500589345 (or 4500589342 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 40505304051 its reverse (15040350504), we get a palindrome (55545654555).

The spelling of 40505304051 in words is "forty billion, five hundred five million, three hundred four thousand, fifty-one".