40352510533 has 4 divisors (see below), whose sum is σ = 40466823948. Its totient is φ = 40238197120.

The previous prime is 40352510521. The next prime is 40352510543. The reversal of 40352510533 is 33501525304.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10118951649 + 30233558884 = 100593^2 + 173878^2 .

It is a cyclic number.

It is not a de Polignac number, because 40352510533 - 2³³ = 31762575941 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40352510495 and 40352510504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40352510543) 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, 57156178 + ... + 57156883.

It is an arithmetic number, because the mean of its divisors is an integer number (10116705987).

Almost surely, 2^40352510533 is an apocalyptic number.

It is an amenable number.

40352510533 is a deficient number, since it is larger than the sum of its proper divisors (114313415).

40352510533 is a wasteful number, since it uses less digits than its factorization.

40352510533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114313414.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 40352510533 in words is "forty billion, three hundred fifty-two million, five hundred ten thousand, five hundred thirty-three".