40432551422401 has 4 divisors (see below), whose sum is σ = 40434650852400. Its totient is φ = 40430451992404.

The previous prime is 40432551422387. The next prime is 40432551422407. The reversal of 40432551422401 is 10422415523404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40432551422401 - 2¹¹ = 40432551420353 is a prime.

It is a super-2 number, since 2×40432551422401² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40432551422407) 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, 1049686111 + ... + 1049724628.

It is an arithmetic number, because the mean of its divisors is an integer number (10108662713100).

Almost surely, 2^{40432551422401} is an apocalyptic number.

It is an amenable number.

40432551422401 is a deficient number, since it is larger than the sum of its proper divisors (2099429999).

40432551422401 is a wasteful number, since it uses less digits than its factorization.

40432551422401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2099429998.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 40432551422401 its reverse (10422415523404), we get a palindrome (50854966945805).

The spelling of 40432551422401 in words is "forty trillion, four hundred thirty-two billion, five hundred fifty-one million, four hundred twenty-two thousand, four hundred one".