42510221504 has 14 divisors (see below), whose sum is σ = 84356220924. Its totient is φ = 21255110720.

The previous prime is 42510221461. The next prime is 42510221519. The reversal of 42510221504 is 40512201524.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332111042 + ... + 332111169.

Almost surely, 2^42510221504 is an apocalyptic number.

It is an amenable number.

42510221504 is a deficient number, since it is larger than the sum of its proper divisors (41845999420).

42510221504 is an equidigital number, since it uses as much as digits as its factorization.

42510221504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664222223 (or 664222213 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The spelling of 42510221504 in words is "forty-two billion, five hundred ten million, two hundred twenty-one thousand, five hundred four".