42840454324 has 12 divisors (see below), whose sum is σ = 75561117184. Its totient is φ = 21251563704.

The previous prime is 42840454301. The next prime is 42840454331. The reversal of 42840454324 is 42345404824.

It is a hoax number, since the sum of its digits (40) 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 3 ways as a sum of consecutive naturals, for example, 42165294 + ... + 42166309.

Almost surely, 2^42840454324 is an apocalyptic number.

It is an amenable number.

42840454324 is a deficient number, since it is larger than the sum of its proper divisors (32720662860).

42840454324 is a wasteful number, since it uses less digits than its factorization.

42840454324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84331734 (or 84331732 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 40.

The spelling of 42840454324 in words is "forty-two billion, eight hundred forty million, four hundred fifty-four thousand, three hundred twenty-four".