42459312092520 has 64 divisors (see below), whose sum is σ = 127387144203840. Its totient is φ = 11321664742400.

The previous prime is 42459312092497. The next prime is 42459312092557. The reversal of 42459312092520 is 2529021395424.

It is a self number, because there is not a number n which added to its sum of digits gives 42459312092520.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11120946 + ... + 14442785.

It is an arithmetic number, because the mean of its divisors is an integer number (1990424128185).

Almost surely, 2^{42459312092520} is an apocalyptic number.

42459312092520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42459312092520 is an abundant number, since it is smaller than the sum of its proper divisors (84927832111320).

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

42459312092520 is a wasteful number, since it uses less digits than its factorization.

42459312092520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25577586 (or 25577582 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 48.

The spelling of 42459312092520 in words is "forty-two trillion, four hundred fifty-nine billion, three hundred twelve million, ninety-two thousand, five hundred twenty".