40421240443233 has 40 divisors (see below), whose sum is σ = 65052839307456. Its totient is φ = 24864779887200.

The previous prime is 40421240443193. The next prime is 40421240443253. The reversal of 40421240443233 is 33234404212404.

40421240443233 is a `hidden beast` number, since 4 + 0 + 4 + 2 + 12 + 404 + 4 + 3 + 233 = 666.

It is not a de Polignac number, because 40421240443233 - 2⁶ = 40421240443169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40421240443253) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4918173 + ... + 10248458.

Almost surely, 2^{40421240443233} is an apocalyptic number.

It is an amenable number.

40421240443233 is a deficient number, since it is larger than the sum of its proper divisors (24631598864223).

40421240443233 is a wasteful number, since it uses less digits than its factorization.

40421240443233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15169187 (or 15169178 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 40421240443233 its reverse (33234404212404), we get a palindrome (73655644655637).

The spelling of 40421240443233 in words is "forty trillion, four hundred twenty-one billion, two hundred forty million, four hundred forty-three thousand, two hundred thirty-three".