270640400 has 30 divisors (see below), whose sum is σ = 650214522. Its totient is φ = 108256000.

The previous prime is 270640399. The next prime is 270640417. The reversal of 270640400 is 4046072.

It can be written as a sum of positive squares in 3 ways, for example, as 12588304 + 258052096 = 3548^2 + 16064^2 .

It is a super-2 number, since 2×270640400² = 146492452224320000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 337901 + ... + 338700.

Almost surely, 2^270640400 is an apocalyptic number.

270640400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270640400 is an abundant number, since it is smaller than the sum of its proper divisors (379574122).

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

270640400 is a wasteful number, since it uses less digits than its factorization.

270640400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676619 (or 676608 counting only the distinct ones).

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

The square root of 270640400 is about 16451.1519353509. The cubic root of 270640400 is about 646.8410035266.

Adding to 270640400 its reverse (4046072), we get a palindrome (274686472).

The spelling of 270640400 in words is "two hundred seventy million, six hundred forty thousand, four hundred".