27256460 has 72 divisors (see below), whose sum is σ = 71947680. Its totient is φ = 8490240.

The previous prime is 27256459. The next prime is 27256477. The reversal of 27256460 is 6465272.

27256460 = T₁₆₇ + T₁₆₈ + ... + T₅₅₁.

It is a super-2 number, since 2×27256460² = 1485829223463200, which contains 22 as substring.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16136 + ... + 17744.

Almost surely, 2^27256460 is an apocalyptic number.

27256460 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 27256460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35973840).

27256460 is an abundant number, since it is smaller than the sum of its proper divisors (44691220).

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

27256460 is a wasteful number, since it uses less digits than its factorization.

27256460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1647 (or 1634 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 27256460 is about 5220.7719735687. The cubic root of 27256460 is about 300.9468602268.

The spelling of 27256460 in words is "twenty-seven million, two hundred fifty-six thousand, four hundred sixty".