440412423401 has 4 divisors (see below), whose sum is σ = 440817587712. Its totient is φ = 440007259092.

The previous prime is 440412423379. The next prime is 440412423433. The reversal of 440412423401 is 104324214044.

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 440412423401 - 2³⁸ = 165534516457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440412453401) 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, 202580525 + ... + 202582698.

It is an arithmetic number, because the mean of its divisors is an integer number (110204396928).

Almost surely, 2^440412423401 is an apocalyptic number.

It is an amenable number.

440412423401 is a deficient number, since it is larger than the sum of its proper divisors (405164311).

440412423401 is a wasteful number, since it uses less digits than its factorization.

440412423401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405164310.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 440412423401 its reverse (104324214044), we get a palindrome (544736637445).

The spelling of 440412423401 in words is "four hundred forty billion, four hundred twelve million, four hundred twenty-three thousand, four hundred one".