42774934920 has 32 divisors (see below), whose sum is σ = 128324805120. Its totient is φ = 11406649280.

The previous prime is 42774934919. The next prime is 42774934933. The reversal of 42774934920 is 2943947724.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178228776 + ... + 178229015.

It is an arithmetic number, because the mean of its divisors is an integer number (4010150160).

Almost surely, 2^42774934920 is an apocalyptic number.

42774934920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42774934920 is an abundant number, since it is smaller than the sum of its proper divisors (85549870200).

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

42774934920 is a wasteful number, since it uses less digits than its factorization.

42774934920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356457805 (or 356457801 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 51.

The spelling of 42774934920 in words is "forty-two billion, seven hundred seventy-four million, nine hundred thirty-four thousand, nine hundred twenty".