404104026351 has 4 divisors (see below), whose sum is σ = 538805368472. Its totient is φ = 269402684232.

The previous prime is 404104026331. The next prime is 404104026353. The reversal of 404104026351 is 153620401404.

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

It is not a de Polignac number, because 404104026351 - 2³¹ = 401956542703 is a prime.

It is a super-2 number, since 2×404104026351² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404104026353) 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, 67350671056 + ... + 67350671061.

It is an arithmetic number, because the mean of its divisors is an integer number (134701342118).

Almost surely, 2^404104026351 is an apocalyptic number.

404104026351 is a deficient number, since it is larger than the sum of its proper divisors (134701342121).

404104026351 is a wasteful number, since it uses less digits than its factorization.

404104026351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134701342120.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 404104026351 its reverse (153620401404), we get a palindrome (557724427755).

The spelling of 404104026351 in words is "four hundred four billion, one hundred four million, twenty-six thousand, three hundred fifty-one".