27264723540 has 48 divisors (see below), whose sum is σ = 78404508672. Its totient is φ = 7074089856.

The previous prime is 27264723527. The next prime is 27264723583. The reversal of 27264723540 is 4532746272.

It is a junction number, because it is equal to n+sod(n) for n = 27264723492 and 27264723501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6138484 + ... + 6142923.

It is an arithmetic number, because the mean of its divisors is an integer number (1633427264).

Almost surely, 2^27264723540 is an apocalyptic number.

27264723540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27264723540 is an abundant number, since it is smaller than the sum of its proper divisors (51139785132).

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

27264723540 is a wasteful number, since it uses less digits than its factorization.

27264723540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12281456 (or 12281454 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 27264723540 in words is "twenty-seven billion, two hundred sixty-four million, seven hundred twenty-three thousand, five hundred forty".