42774940572 has 48 divisors (see below), whose sum is σ = 122840858112. Its totient is φ = 11281302720.

The previous prime is 42774940567. The next prime is 42774940573. The reversal of 42774940572 is 27504947724.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42774940573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19584504 + ... + 19586687.

It is an arithmetic number, because the mean of its divisors is an integer number (2559184544).

Almost surely, 2^42774940572 is an apocalyptic number.

42774940572 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42774940572 is an abundant number, since it is smaller than the sum of its proper divisors (80065917540).

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

42774940572 is a wasteful number, since it uses less digits than its factorization.

42774940572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39171218 (or 39171216 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 42774940572 in words is "forty-two billion, seven hundred seventy-four million, nine hundred forty thousand, five hundred seventy-two".