4245121975050 has 576 divisors, whose sum is σ = 13241680478208. Its totient is φ = 965448000000.

The previous prime is 4245121975043. The next prime is 4245121975051. The reversal of 4245121975050 is 505791215424.

4245121975050 is a `hidden beast` number, since 4 + 2 + 4 + 51 + 2 + 1 + 97 + 505 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 4245121974987 and 4245121975005.

It is not an unprimeable number, because it can be changed into a prime (4245121975051) by changing a digit.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 771697300 + ... + 771702800.

It is an arithmetic number, because the mean of its divisors is an integer number (22989028608).

Almost surely, 2^{4245121975050} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4245121975050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6620840239104).

4245121975050 is an abundant number, since it is smaller than the sum of its proper divisors (8996558503158).

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

4245121975050 is a wasteful number, since it uses less digits than its factorization.

4245121975050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5715 (or 5707 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 4245121975050 in words is "four trillion, two hundred forty-five billion, one hundred twenty-one million, nine hundred seventy-five thousand, fifty".