40430360833 has 2 divisors, whose sum is σ = 40430360834. Its totient is φ = 40430360832.

The previous prime is 40430360819. The next prime is 40430360881. The reversal of 40430360833 is 33806303404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22186996209 + 18243364624 = 148953^2 + 135068^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40430360833 is a prime.

It is a super-2 number, since 2×40430360833² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40430360233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20215180416 + 20215180417.

It is an arithmetic number, because the mean of its divisors is an integer number (20215180417).

Almost surely, 2^40430360833 is an apocalyptic number.

It is an amenable number.

40430360833 is a deficient number, since it is larger than the sum of its proper divisors (1).

40430360833 is an equidigital number, since it uses as much as digits as its factorization.

40430360833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 34.

The spelling of 40430360833 in words is "forty billion, four hundred thirty million, three hundred sixty thousand, eight hundred thirty-three".