42272756040 has 64 divisors (see below), whose sum is σ = 130245802560. Its totient is φ = 10968065280.

The previous prime is 42272756023. The next prime is 42272756041. The reversal of 42272756040 is 4065727224.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 42272756040.

It is not an unprimeable number, because it can be changed into a prime (42272756041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4756006 + ... + 4764885.

It is an arithmetic number, because the mean of its divisors is an integer number (2035090665).

Almost surely, 2^42272756040 is an apocalyptic number.

42272756040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42272756040 is an abundant number, since it is smaller than the sum of its proper divisors (87973046520).

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

42272756040 is a wasteful number, since it uses less digits than its factorization.

42272756040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9520942 (or 9520938 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 39.

The spelling of 42272756040 in words is "forty-two billion, two hundred seventy-two million, seven hundred fifty-six thousand, forty".