40054433 has 2 divisors, whose sum is σ = 40054434. Its totient is φ = 40054432.

The previous prime is 40054373. The next prime is 40054447. The reversal of 40054433 is 33445004.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38837824 + 1216609 = 6232^2 + 1103^2 .

It is a cyclic number.

It is not a de Polignac number, because 40054433 - 2⁸ = 40054177 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 40054399 and 40054408.

It is not a weakly prime, because it can be changed into another prime (40054453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20027216 + 20027217.

It is an arithmetic number, because the mean of its divisors is an integer number (20027217).

Almost surely, 2^40054433 is an apocalyptic number.

It is an amenable number.

40054433 is a deficient number, since it is larger than the sum of its proper divisors (1).

40054433 is an equidigital number, since it uses as much as digits as its factorization.

40054433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 40054433 is about 6328.8571638172. The cubic root of 40054433 is about 342.1502508872.

Adding to 40054433 its reverse (33445004), we get a palindrome (73499437).

The spelling of 40054433 in words is "forty million, fifty-four thousand, four hundred thirty-three".