27234440 has 16 divisors (see below), whose sum is σ = 61277580. Its totient is φ = 10893760.

The previous prime is 27234433. The next prime is 27234491. The reversal of 27234440 is 4443272.

It can be written as a sum of positive squares in 2 ways, for example, as 26399044 + 835396 = 5138^2 + 914^2 .

It is a super-2 number, since 2×27234440² = 1483429444227200, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340391 + ... + 340470.

Almost surely, 2^27234440 is an apocalyptic number.

27234440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27234440 is an abundant number, since it is smaller than the sum of its proper divisors (34043140).

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

27234440 is a wasteful number, since it uses less digits than its factorization.

27234440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680872 (or 680868 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 26.

The square root of 27234440 is about 5218.6626639399. The cubic root of 27234440 is about 300.8657952214.

It can be divided in two parts, 27234 and 440, that multiplied together give a triangular number (11982960 = T₄₈₉₅).

The spelling of 27234440 in words is "twenty-seven million, two hundred thirty-four thousand, four hundred forty".