40453433 has 2 divisors, whose sum is σ = 40453434. Its totient is φ = 40453432.

The previous prime is 40453423. The next prime is 40453471. The reversal of 40453433 is 33435404.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38402809 + 2050624 = 6197^2 + 1432^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40453433 is a prime.

It is not a weakly prime, because it can be changed into another prime (40453403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20226716 + 20226717.

It is an arithmetic number, because the mean of its divisors is an integer number (20226717).

Almost surely, 2^40453433 is an apocalyptic number.

It is an amenable number.

40453433 is a deficient number, since it is larger than the sum of its proper divisors (1).

40453433 is an equidigital number, since it uses as much as digits as its factorization.

40453433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 26.

The square root of 40453433 is about 6360.3013293397. The cubic root of 40453433 is about 343.2826027620.

Adding to 40453433 its reverse (33435404), we get a palindrome (73888837).

The spelling of 40453433 in words is "forty million, four hundred fifty-three thousand, four hundred thirty-three".