42187382256 has 40 divisors (see below), whose sum is σ = 109003459840. Its totient is φ = 14059958976.

The previous prime is 42187382249. The next prime is 42187382261. The reversal of 42187382256 is 65228378124.

It is a super-2 number, since 2×42187382256² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 205011 + ... + 355533.

It is an arithmetic number, because the mean of its divisors is an integer number (2725086496).

Almost surely, 2^42187382256 is an apocalyptic number.

It is an amenable number.

42187382256 is an abundant number, since it is smaller than the sum of its proper divisors (66816077584).

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

42187382256 is a wasteful number, since it uses less digits than its factorization.

42187382256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156373 (or 156367 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 48.

The spelling of 42187382256 in words is "forty-two billion, one hundred eighty-seven million, three hundred eighty-two thousand, two hundred fifty-six".