270231440 has 20 divisors (see below), whose sum is σ = 628288284. Its totient is φ = 108092544.

The previous prime is 270231421. The next prime is 270231449. The reversal of 270231440 is 44132072.

It can be written as a sum of positive squares in 2 ways, for example, as 56370064 + 213861376 = 7508^2 + 14624^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-3 number, since 3×270231440³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (270231449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1688867 + ... + 1689026.

Almost surely, 2^270231440 is an apocalyptic number.

270231440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270231440 is an abundant number, since it is smaller than the sum of its proper divisors (358056844).

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

270231440 is a wasteful number, since it uses less digits than its factorization.

270231440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3377906 (or 3377900 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 270231440 is about 16438.7177115492. The cubic root of 270231440 is about 646.5150292177.

The spelling of 270231440 in words is "two hundred seventy million, two hundred thirty-one thousand, four hundred forty".