42501355765072 has 40 divisors (see below), whose sum is σ = 85927489413696. Its totient is φ = 20326537752576.

The previous prime is 42501355765031. The next prime is 42501355765081. The reversal of 42501355765072 is 27056755310524.

It is a hoax number, since the sum of its digits (52) 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 7 ways as a sum of consecutive naturals, for example, 41649168 + ... + 42657424.

Almost surely, 2^{42501355765072} is an apocalyptic number.

It is an amenable number.

42501355765072 is an abundant number, since it is smaller than the sum of its proper divisors (43426133648624).

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

42501355765072 is a wasteful number, since it uses less digits than its factorization.

42501355765072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1122835 (or 1122829 counting only the distinct ones).

The product of its (nonzero) digits is 8820000, while the sum is 52.

The spelling of 42501355765072 in words is "forty-two trillion, five hundred one billion, three hundred fifty-five million, seven hundred sixty-five thousand, seventy-two".