27775140126390 has 64 divisors (see below), whose sum is σ = 74800377443520. Its totient is φ = 7333370323200.

The previous prime is 27775140126389. The next prime is 27775140126439. The reversal of 27775140126390 is 9362104157772.

27775140126390 is a `hidden beast` number, since 2 + 7 + 77 + 514 + 0 + 1 + 26 + 39 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 509234559 + ... + 509289098.

It is an arithmetic number, because the mean of its divisors is an integer number (1168755897555).

Almost surely, 2^{27775140126390} is an apocalyptic number.

27775140126390 is an abundant number, since it is smaller than the sum of its proper divisors (47025237317130).

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

27775140126390 is a wasteful number, since it uses less digits than its factorization.

27775140126390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018523774 (or 1018523768 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 27775140126390 in words is "twenty-seven trillion, seven hundred seventy-five billion, one hundred forty million, one hundred twenty-six thousand, three hundred ninety".