27241544240 has 20 divisors (see below), whose sum is σ = 63336590544. Its totient is φ = 10896617664.

The previous prime is 27241544237. The next prime is 27241544249. The reversal of 27241544240 is 4244514272.

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

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 27241544240.

It is not an unprimeable number, because it can be changed into a prime (27241544249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170259572 + ... + 170259731.

Almost surely, 2^27241544240 is an apocalyptic number.

27241544240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27241544240 is an abundant number, since it is smaller than the sum of its proper divisors (36095046304).

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

27241544240 is a wasteful number, since it uses less digits than its factorization.

27241544240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340519316 (or 340519310 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 35.

The spelling of 27241544240 in words is "twenty-seven billion, two hundred forty-one million, five hundred forty-four thousand, two hundred forty".