52245420000 has 720 divisors, whose sum is σ = 191414627712. Its totient is φ = 12446720000.

The previous prime is 52245419959. The next prime is 52245420011. The reversal of 52245420000 is 2454225.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 398819935 + ... + 398820065.

Almost surely, 2^52245420000 is an apocalyptic number.

52245420000 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 52245420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95707313856).

52245420000 is an abundant number, since it is smaller than the sum of its proper divisors (139169207712).

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

52245420000 is a wasteful number, since it uses less digits than its factorization.

52245420000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 181 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 24.

Adding to 52245420000 its reverse (2454225), we get a palindrome (52247874225).

The spelling of 52245420000 in words is "fifty-two billion, two hundred forty-five million, four hundred twenty thousand".