40432413334421 has 4 divisors (see below), whose sum is σ = 40540811225772. Its totient is φ = 40324015443072.

The previous prime is 40432413334381. The next prime is 40432413334463. The reversal of 40432413334421 is 12443331423404.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8476162618225 + 31956250716196 = 2911385^2 + 5652986^2 .

It is a cyclic number.

It is not a de Polignac number, because 40432413334421 - 2³⁴ = 40415233465237 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 (40432413304421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54198945116 + ... + 54198945861.

It is an arithmetic number, because the mean of its divisors is an integer number (10135202806443).

Almost surely, 2^{40432413334421} is an apocalyptic number.

It is an amenable number.

40432413334421 is a deficient number, since it is larger than the sum of its proper divisors (108397891351).

40432413334421 is a wasteful number, since it uses less digits than its factorization.

40432413334421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108397891350.

The product of its (nonzero) digits is 331776, while the sum is 38.

Adding to 40432413334421 its reverse (12443331423404), we get a palindrome (52875744757825).

The spelling of 40432413334421 in words is "forty trillion, four hundred thirty-two billion, four hundred thirteen million, three hundred thirty-four thousand, four hundred twenty-one".