238267280 has 40 divisors (see below), whose sum is σ = 558895032. Its totient is φ = 94459904.

The previous prime is 238267261. The next prime is 238267297. The reversal of 238267280 is 82762832.

238267280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 984064 + 237283216 = 992^2 + 15404^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-4 number, since 4×238267280⁴ (a number of 35 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4139 + ... + 22218.

Almost surely, 2^238267280 is an apocalyptic number.

238267280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238267280 is an abundant number, since it is smaller than the sum of its proper divisors (320627752).

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

238267280 is a wasteful number, since it uses less digits than its factorization.

238267280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26483 (or 26477 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 38.

The square root of 238267280 is about 15435.9087843897. The cubic root of 238267280 is about 619.9473420418.

The spelling of 238267280 in words is "two hundred thirty-eight million, two hundred sixty-seven thousand, two hundred eighty".