551444454312 has 32 divisors (see below), whose sum is σ = 1383316310880. Its totient is φ = 183187461440.

The previous prime is 551444454311. The next prime is 551444454313. The reversal of 551444454312 is 213454444155.

It is an interprime number because it is at equal distance from previous prime (551444454311) and next prime (551444454313).

It is not an unprimeable number, because it can be changed into a prime (551444454311) 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, 39202614 + ... + 39216677.

It is an arithmetic number, because the mean of its divisors is an integer number (43228634715).

Almost surely, 2^551444454312 is an apocalyptic number.

It is an amenable number.

551444454312 is an abundant number, since it is smaller than the sum of its proper divisors (831871856568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

551444454312 is a wasteful number, since it uses less digits than its factorization.

551444454312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78419593 (or 78419589 counting only the distinct ones).

The product of its digits is 768000, while the sum is 42.

Adding to 551444454312 its reverse (213454444155), we get a palindrome (764898898467).

The spelling of 551444454312 in words is "five hundred fifty-one billion, four hundred forty-four million, four hundred fifty-four thousand, three hundred twelve".