27145740460 has 24 divisors (see below), whose sum is σ = 57149663760. Its totient is φ = 10830942144.

The previous prime is 27145740443. The next prime is 27145740469. The reversal of 27145740460 is 6404754172.

It is not an unprimeable number, because it can be changed into a prime (27145740469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1701490 + ... + 1717369.

It is an arithmetic number, because the mean of its divisors is an integer number (2381235990).

Almost surely, 2^27145740460 is an apocalyptic number.

27145740460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27145740460 is an abundant number, since it is smaller than the sum of its proper divisors (30003923300).

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

27145740460 is a wasteful number, since it uses less digits than its factorization.

27145740460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3419265 (or 3419263 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 27145740460 in words is "twenty-seven billion, one hundred forty-five million, seven hundred forty thousand, four hundred sixty".