40434022021023 has 8 divisors (see below), whose sum is σ = 59902254846000. Its totient is φ = 26956014680664.

The previous prime is 40434022021007. The next prime is 40434022021027. The reversal of 40434022021023 is 32012022043404.

40434022021023 is a `hidden beast` number, since 4 + 0 + 4 + 3 + 402 + 20 + 210 + 23 = 666.

It is not a de Polignac number, because 40434022021023 - 2⁴ = 40434022021007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1497556371149 = 40434022021023 / (4 + 0 + 4 + 3 + 4 + 0 + 2 + 2 + 0 + 2 + 1 + 0 + 2 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434022021027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 748778185548 + ... + 748778185601.

It is an arithmetic number, because the mean of its divisors is an integer number (7487781855750).

Almost surely, 2^{40434022021023} is an apocalyptic number.

40434022021023 is a deficient number, since it is larger than the sum of its proper divisors (19468232824977).

40434022021023 is a wasteful number, since it uses less digits than its factorization.

40434022021023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1497556371158 (or 1497556371152 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 40434022021023 its reverse (32012022043404), we get a palindrome (72446044064427).

The spelling of 40434022021023 in words is "forty trillion, four hundred thirty-four billion, twenty-two million, twenty-one thousand, twenty-three".