4009535864742 has 16 divisors (see below), whose sum is σ = 8101742573232. Its totient is φ = 1322733480960.

The previous prime is 4009535864729. The next prime is 4009535864791. The reversal of 4009535864742 is 2474685359004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3444617859 + ... + 3444619022.

It is an arithmetic number, because the mean of its divisors is an integer number (506358910827).

Almost surely, 2^{4009535864742} is an apocalyptic number.

4009535864742 is an abundant number, since it is smaller than the sum of its proper divisors (4092206708490).

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

4009535864742 is a wasteful number, since it uses less digits than its factorization.

4009535864742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6889236983.

The product of its (nonzero) digits is 29030400, while the sum is 57.

The spelling of 4009535864742 in words is "four trillion, nine billion, five hundred thirty-five million, eight hundred sixty-four thousand, seven hundred forty-two".