52450424400000 has 384 divisors, whose sum is σ = 189971670409920. Its totient is φ = 12715251200000.

The previous prime is 52450424399993. The next prime is 52450424400041. The reversal of 52450424400000 is 442405425.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 11213242 + ... + 15186758.

Almost surely, 2^{52450424400000} is an apocalyptic number.

52450424400000 is a gapful number since it is divisible by the number (50) 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 52450424400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94985835204960).

52450424400000 is an abundant number, since it is smaller than the sum of its proper divisors (137521246009920).

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

52450424400000 is an equidigital number, since it uses as much as digits as its factorization.

52450424400000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3973570 (or 3973538 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

Adding to 52450424400000 its reverse (442405425), we get a palindrome (52450866805425).

The spelling of 52450424400000 in words is "fifty-two trillion, four hundred fifty billion, four hundred twenty-four million, four hundred thousand".