27754042540 has 48 divisors (see below), whose sum is σ = 67866507072. Its totient is φ = 9336128256.

The previous prime is 27754042489. The next prime is 27754042553. The reversal of 27754042540 is 4524045772.

It is a junction number, because it is equal to n+sod(n) for n = 27754042493 and 27754042502.

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, 1862799 + ... + 1877638.

It is an arithmetic number, because the mean of its divisors is an integer number (1413885564).

Almost surely, 2^27754042540 is an apocalyptic number.

27754042540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27754042540 is an abundant number, since it is smaller than the sum of its proper divisors (40112464532).

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

27754042540 is a wasteful number, since it uses less digits than its factorization.

27754042540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3740506 (or 3740504 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 40.

The spelling of 27754042540 in words is "twenty-seven billion, seven hundred fifty-four million, forty-two thousand, five hundred forty".