274543646345472 has 576 divisors, whose sum is σ = 886277813944320. Its totient is φ = 73652955512832.

The previous prime is 274543646345459. The next prime is 274543646345627.

It is a happy number.

274543646345472 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×274543646345472² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 90938602779 + ... + 90938605797.

It is an arithmetic number, because the mean of its divisors is an integer number (1538676760320).

Almost surely, 2^{274543646345472} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274543646345472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (443138906972160).

274543646345472 is an abundant number, since it is smaller than the sum of its proper divisors (611734167598848).

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

274543646345472 is a wasteful number, since it uses less digits than its factorization.

274543646345472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078 (or 5064 counting only the distinct ones).

The product of its digits is 1625702400, while the sum is 66.

The spelling of 274543646345472 in words is "two hundred seventy-four trillion, five hundred forty-three billion, six hundred forty-six million, three hundred forty-five thousand, four hundred seventy-two".