42459031494 has 80 divisors (see below), whose sum is σ = 106320359376. Its totient is φ = 12552537600.

The previous prime is 42459031477. The next prime is 42459031523. The reversal of 42459031494 is 49413095424.

42459031494 is a `hidden beast` number, since 4 + 2 + 45 + 90 + 31 + 494 = 666.

42459031494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 217507 + ... + 363630.

Almost surely, 2^42459031494 is an apocalyptic number.

42459031494 is an abundant number, since it is smaller than the sum of its proper divisors (63861327882).

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

42459031494 is a wasteful number, since it uses less digits than its factorization.

42459031494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 581203 (or 581194 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 42459031494 in words is "forty-two billion, four hundred fifty-nine million, thirty-one thousand, four hundred ninety-four".