42540050000 has 240 divisors, whose sum is σ = 123953316480. Its totient is φ = 13815360000.

The previous prime is 42540049991. The next prime is 42540050041. The reversal of 42540050000 is 5004524.

It is a happy number.

42540050000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6646802 + ... + 6653198.

It is an arithmetic number, because the mean of its divisors is an integer number (516472152).

Almost surely, 2^42540050000 is an apocalyptic number.

42540050000 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 42540050000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61976658240).

42540050000 is an abundant number, since it is smaller than the sum of its proper divisors (81413266480).

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

42540050000 is an equidigital number, since it uses as much as digits as its factorization.

42540050000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6456 (or 6430 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

Adding to 42540050000 its reverse (5004524), we get a palindrome (42545054524).

The spelling of 42540050000 in words is "forty-two billion, five hundred forty million, fifty thousand".