40800533 has 2 divisors, whose sum is σ = 40800534. Its totient is φ = 40800532.

The previous prime is 40800517. The next prime is 40800541. The reversal of 40800533 is 33500804.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30547729 + 10252804 = 5527^2 + 3202^2 .

It is a cyclic number.

It is not a de Polignac number, because 40800533 - 2⁴ = 40800517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40800499 and 40800508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40800583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20400266 + 20400267.

It is an arithmetic number, because the mean of its divisors is an integer number (20400267).

Almost surely, 2^40800533 is an apocalyptic number.

It is an amenable number.

40800533 is a deficient number, since it is larger than the sum of its proper divisors (1).

40800533 is an equidigital number, since it uses as much as digits as its factorization.

40800533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40800533 is about 6387.5294911257. The cubic root of 40800533 is about 344.2616232453.

The spelling of 40800533 in words is "forty million, eight hundred thousand, five hundred thirty-three".