42034542647540 has 12 divisors (see below), whose sum is σ = 88272539559876. Its totient is φ = 16813817059008.

The previous prime is 42034542647507. The next prime is 42034542647551. The reversal of 42034542647540 is 4574624543024.

It can be written as a sum of positive squares in 2 ways, for example, as 31585344167056 + 10449198480484 = 5620084^2 + 3232522^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1050863566169 + ... + 1050863566208.

It is an arithmetic number, because the mean of its divisors is an integer number (7356044963323).

Almost surely, 2^{42034542647540} is an apocalyptic number.

It is an amenable number.

42034542647540 is an abundant number, since it is smaller than the sum of its proper divisors (46237996912336).

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

42034542647540 is a wasteful number, since it uses less digits than its factorization.

42034542647540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101727132386 (or 2101727132384 counting only the distinct ones).

The product of its (nonzero) digits is 12902400, while the sum is 50.

The spelling of 42034542647540 in words is "forty-two trillion, thirty-four billion, five hundred forty-two million, six hundred forty-seven thousand, five hundred forty".