27268554240 has 120 divisors (see below), whose sum is σ = 94438752408. Its totient is φ = 7271608320.

The previous prime is 27268554233. The next prime is 27268554283. The reversal of 27268554240 is 4245586272.

27268554240 is a `hidden beast` number, since 2 + 7 + 2 + 68 + 5 + 542 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 568726 + ... + 614805.

Almost surely, 2^27268554240 is an apocalyptic number.

27268554240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27268554240 is an abundant number, since it is smaller than the sum of its proper divisors (67170198168).

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

27268554240 is a wasteful number, since it uses less digits than its factorization.

27268554240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183560 (or 1183541 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 45.

The spelling of 27268554240 in words is "twenty-seven billion, two hundred sixty-eight million, five hundred fifty-four thousand, two hundred forty".