42512322550 has 24 divisors (see below), whose sum is σ = 82510875216. Its totient is φ = 16265583840.

The previous prime is 42512322539. The next prime is 42512322551. The reversal of 42512322550 is 5522321524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42512322551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18482469 + ... + 18484768.

It is an arithmetic number, because the mean of its divisors is an integer number (3437953134).

Almost surely, 2^42512322550 is an apocalyptic number.

42512322550 is a deficient number, since it is larger than the sum of its proper divisors (39998552666).

42512322550 is a wasteful number, since it uses less digits than its factorization.

42512322550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36967272 (or 36967267 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 42512322550 in words is "forty-two billion, five hundred twelve million, three hundred twenty-two thousand, five hundred fifty".