42365425788 has 288 divisors, whose sum is σ = 136877744640. Its totient is φ = 11186242560.

The previous prime is 42365425787. The next prime is 42365425819. The reversal of 42365425788 is 88752456324.

42365425788 is a `hidden beast` number, since 4 + 2 + 3 + 65 + 4 + 2 + 578 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42365425787) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 5296320 + ... + 5304312.

Almost surely, 2^42365425788 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42365425788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68438872320).

42365425788 is an abundant number, since it is smaller than the sum of its proper divisors (94512318852).

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

42365425788 is a wasteful number, since it uses less digits than its factorization.

42365425788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8079 (or 8065 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 54.

The spelling of 42365425788 in words is "forty-two billion, three hundred sixty-five million, four hundred twenty-five thousand, seven hundred eighty-eight".