42775399212 has 96 divisors (see below), whose sum is σ = 125160118272. Its totient is φ = 11068551936.

The previous prime is 42775399193. The next prime is 42775399217. The reversal of 42775399212 is 21299357724.

It is not an unprimeable number, because it can be changed into a prime (42775399217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 311668 + ... + 427419.

It is an arithmetic number, because the mean of its divisors is an integer number (1303751232).

Almost surely, 2^42775399212 is an apocalyptic number.

42775399212 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42775399212 is an abundant number, since it is smaller than the sum of its proper divisors (82384719060).

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

42775399212 is a wasteful number, since it uses less digits than its factorization.

42775399212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739167 (or 739165 counting only the distinct ones).

The product of its digits is 1905120, while the sum is 51.

The spelling of 42775399212 in words is "forty-two billion, seven hundred seventy-five million, three hundred ninety-nine thousand, two hundred twelve".