267279472320 has 224 divisors, whose sum is σ = 993498379776. Its totient is φ = 59602329600.

The previous prime is 267279472307. The next prime is 267279472321. The reversal of 267279472320 is 23274972762.

It is a tau number, because it is divible by the number of its divisors (224).

It is not an unprimeable number, because it can be changed into a prime (267279472321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 209526 + ... + 760565.

It is an arithmetic number, because the mean of its divisors is an integer number (4435260624).

Almost surely, 2^267279472320 is an apocalyptic number.

267279472320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 267279472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (496749189888).

267279472320 is an abundant number, since it is smaller than the sum of its proper divisors (726218907456).

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

267279472320 is a wasteful number, since it uses less digits than its factorization.

267279472320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970159 (or 970149 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 267279472320 in words is "two hundred sixty-seven billion, two hundred seventy-nine million, four hundred seventy-two thousand, three hundred twenty".