42774317420 has 24 divisors (see below), whose sum is σ = 91737261504. Its totient is φ = 16745689856.

The previous prime is 42774317371. The next prime is 42774317437. The reversal of 42774317420 is 2471347724.

42774317420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 22751357 + ... + 22753236.

It is an arithmetic number, because the mean of its divisors is an integer number (3822385896).

Almost surely, 2^42774317420 is an apocalyptic number.

It is an amenable number.

42774317420 is an abundant number, since it is smaller than the sum of its proper divisors (48962944084).

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

42774317420 is a wasteful number, since it uses less digits than its factorization.

42774317420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45504649 (or 45504647 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 41.

The spelling of 42774317420 in words is "forty-two billion, seven hundred seventy-four million, three hundred seventeen thousand, four hundred twenty".