267792421456 has 80 divisors (see below), whose sum is σ = 606176166528. Its totient is φ = 112233715200.

The previous prime is 267792421453. The next prime is 267792421489. The reversal of 267792421456 is 654124297762.

It is a junction number, because it is equal to n+sod(n) for n = 267792421397 and 267792421406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (267792421451) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1068651 + ... + 1295221.

Almost surely, 2^267792421456 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 267792421456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (303088083264).

267792421456 is an abundant number, since it is smaller than the sum of its proper divisors (338383745072).

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

267792421456 is a wasteful number, since it uses less digits than its factorization.

267792421456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226820 (or 226814 counting only the distinct ones).

The product of its digits is 10160640, while the sum is 55.

The spelling of 267792421456 in words is "two hundred sixty-seven billion, seven hundred ninety-two million, four hundred twenty-one thousand, four hundred fifty-six".