40423224142021 has 8 divisors (see below), whose sum is σ = 47272341854144. Its totient is φ = 33842699281440.

The previous prime is 40423224142019. The next prime is 40423224142039. The reversal of 40423224142021 is 12024142232404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40423224142021 - 2¹ = 40423224142019 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40423228142021) 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, 67148212560 + ... + 67148213161.

It is an arithmetic number, because the mean of its divisors is an integer number (5909042731768).

Almost surely, 2^{40423224142021} is an apocalyptic number.

It is an amenable number.

40423224142021 is a deficient number, since it is larger than the sum of its proper divisors (6849117712123).

40423224142021 is a wasteful number, since it uses less digits than its factorization.

40423224142021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134296425771.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 40423224142021 its reverse (12024142232404), we get a palindrome (52447366374425).

The spelling of 40423224142021 in words is "forty trillion, four hundred twenty-three billion, two hundred twenty-four million, one hundred forty-two thousand, twenty-one".