404312214105551 has 8 divisors (see below), whose sum is σ = 404439607373904. Its totient is φ = 404184832274880.

The previous prime is 404312214105491. The next prime is 404312214105557. The reversal of 404312214105551 is 155501412213404.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-404312214105551 is a prime.

It is a super-3 number, since 3×404312214105551³ (a number of 45 digits) contains 333 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 (404312214105557) 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, 68127416 + ... + 73823906.

It is an arithmetic number, because the mean of its divisors is an integer number (50554950921738).

Almost surely, 2^{404312214105551} is an apocalyptic number.

404312214105551 is a deficient number, since it is larger than the sum of its proper divisors (127393268353).

404312214105551 is a wasteful number, since it uses less digits than its factorization.

404312214105551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5718841.

The product of its (nonzero) digits is 96000, while the sum is 38.

Adding to 404312214105551 its reverse (155501412213404), we get a palindrome (559813626318955).

The spelling of 404312214105551 in words is "four hundred four trillion, three hundred twelve billion, two hundred fourteen million, one hundred five thousand, five hundred fifty-one".