27012877240 has 32 divisors (see below), whose sum is σ = 60783894000. Its totient is φ = 10804276224.

The previous prime is 27012877223. The next prime is 27012877289. The reversal of 27012877240 is 4277821072.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 27012877193 and 27012877202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 736456 + ... + 772264.

Almost surely, 2^27012877240 is an apocalyptic number.

27012877240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27012877240 is an abundant number, since it is smaller than the sum of its proper divisors (33771016760).

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

27012877240 is a wasteful number, since it uses less digits than its factorization.

27012877240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54679 (or 54675 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 40.

The spelling of 27012877240 in words is "twenty-seven billion, twelve million, eight hundred seventy-seven thousand, two hundred forty".