42255330032520 has 384 divisors, whose sum is σ = 154405652544000. Its totient is φ = 9933780695040.

The previous prime is 42255330032479. The next prime is 42255330032527. The reversal of 42255330032520 is 2523003355224.

42255330032520 is a `hidden beast` number, since 4 + 2 + 2 + 5 + 5 + 3 + 300 + 325 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42255330032527) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19245646 + ... + 21328514.

It is an arithmetic number, because the mean of its divisors is an integer number (402098053500).

Almost surely, 2^{42255330032520} is an apocalyptic number.

42255330032520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42255330032520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77202826272000).

42255330032520 is an abundant number, since it is smaller than the sum of its proper divisors (112150322511480).

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

42255330032520 is a wasteful number, since it uses less digits than its factorization.

42255330032520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083053 (or 2083046 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 36.

Adding to 42255330032520 its reverse (2523003355224), we get a palindrome (44778333387744).

The spelling of 42255330032520 in words is "forty-two trillion, two hundred fifty-five billion, three hundred thirty million, thirty-two thousand, five hundred twenty".