1027042457634 has 40 divisors (see below), whose sum is σ = 2344757328540. Its totient is φ = 335888096544.

The previous prime is 1027042457633. The next prime is 1027042457641. The reversal of 1027042457634 is 4367542407201.

1027042457634 is a `hidden beast` number, since 1 + 0 + 2 + 7 + 0 + 4 + 2 + 4 + 5 + 7 + 634 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 860580905625 + 166461552009 = 927675^2 + 407997^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1027042457634.

It is not an unprimeable number, because it can be changed into a prime (1027042457633) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 59800549 + ... + 59817720.

Almost surely, 2^{1027042457634} is an apocalyptic number.

1027042457634 is an abundant number, since it is smaller than the sum of its proper divisors (1317714870906).

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

1027042457634 is a wasteful number, since it uses less digits than its factorization.

1027042457634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119618336 (or 119618327 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 1027042457634 in words is "one trillion, twenty-seven billion, forty-two million, four hundred fifty-seven thousand, six hundred thirty-four".