42474451521120 has 384 divisors, whose sum is σ = 141700793472000. Its totient is φ = 10664644902912.

The previous prime is 42474451521109. The next prime is 42474451521221. The reversal of 42474451521120 is 2112515447424.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 1700530072 + ... + 1700555048.

It is an arithmetic number, because the mean of its divisors is an integer number (369012483000).

Almost surely, 2^{42474451521120} is an apocalyptic number.

42474451521120 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 42474451521120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70850396736000).

42474451521120 is an abundant number, since it is smaller than the sum of its proper divisors (99226341950880).

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

42474451521120 is a wasteful number, since it uses less digits than its factorization.

42474451521120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26150 (or 26142 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 42.

Adding to 42474451521120 its reverse (2112515447424), we get a palindrome (44586966968544).

The spelling of 42474451521120 in words is "forty-two trillion, four hundred seventy-four billion, four hundred fifty-one million, five hundred twenty-one thousand, one hundred twenty".