42530331400000 has 168 divisors, whose sum is σ = 111693615572952. Its totient is φ = 16011417600000.

The previous prime is 42530331399953. The next prime is 42530331400009. The reversal of 42530331400000 is 413303524.

42530331400000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 30638261913856 + 11892069486144 = 5535184^2 + 3448488^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42530331400009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2854461 + ... + 9654460.

It is an arithmetic number, because the mean of its divisors is an integer number (664842949839).

Almost surely, 2^{42530331400000} is an apocalyptic number.

42530331400000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42530331400000 is an abundant number, since it is smaller than the sum of its proper divisors (69163284172952).

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

42530331400000 is an equidigital number, since it uses as much as digits as its factorization.

42530331400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12508975 (or 12508945 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 42530331400000 its reverse (413303524), we get a palindrome (42530744703524).

The spelling of 42530331400000 in words is "forty-two trillion, five hundred thirty billion, three hundred thirty-one million, four hundred thousand".