42054773680 has 40 divisors (see below), whose sum is σ = 97791745392. Its totient is φ = 16819432704.

The previous prime is 42054773669. The next prime is 42054773701. The reversal of 42054773680 is 8637745024.

42054773680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 42054773680.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 566902 + ... + 636778.

Almost surely, 2^42054773680 is an apocalyptic number.

42054773680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42054773680 is an abundant number, since it is smaller than the sum of its proper divisors (55736971712).

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

42054773680 is a wasteful number, since it uses less digits than its factorization.

42054773680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77413 (or 77407 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 46.

The spelling of 42054773680 in words is "forty-two billion, fifty-four million, seven hundred seventy-three thousand, six hundred eighty".