42255733771332 has 168 divisors, whose sum is σ = 114583667627520. Its totient is φ = 13614610844160.

The previous prime is 42255733771327. The next prime is 42255733771343. The reversal of 42255733771332 is 23317733755224.

It is a happy number.

42255733771332 is a `hidden beast` number, since 4 + 2 + 2 + 5 + 573 + 37 + 7 + 1 + 3 + 32 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 75563668 + ... + 76120820.

It is an arithmetic number, because the mean of its divisors is an integer number (682045640640).

Almost surely, 2^{42255733771332} 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 42255733771332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57291833813760).

42255733771332 is an abundant number, since it is smaller than the sum of its proper divisors (72327933856188).

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

42255733771332 is a wasteful number, since it uses less digits than its factorization.

42255733771332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558045 (or 558028 counting only the distinct ones).

The product of its digits is 22226400, while the sum is 54.

The spelling of 42255733771332 in words is "forty-two trillion, two hundred fifty-five billion, seven hundred thirty-three million, seven hundred seventy-one thousand, three hundred thirty-two".