1027544991408 has 160 divisors (see below), whose sum is σ = 3363156619200. Its totient is φ = 297569562624.

The previous prime is 1027544991397. The next prime is 1027544991427. The reversal of 1027544991408 is 8041994457201.

1027544991408 is a `hidden beast` number, since 1 + 0 + 2 + 7 + 5 + 4 + 499 + 140 + 8 = 666.

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

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, 5285923 + ... + 5476866.

It is an arithmetic number, because the mean of its divisors is an integer number (21019728870).

Almost surely, 2^{1027544991408} is an apocalyptic number.

1027544991408 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1027544991408 is an abundant number, since it is smaller than the sum of its proper divisors (2335611627792).

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

1027544991408 is a wasteful number, since it uses less digits than its factorization.

1027544991408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10762836 (or 10762824 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The spelling of 1027544991408 in words is "one trillion, twenty-seven billion, five hundred forty-four million, nine hundred ninety-one thousand, four hundred eight".