5252121292840 has 64 divisors (see below), whose sum is σ = 11880798197760. Its totient is φ = 2089558202880.

The previous prime is 5252121292829. The next prime is 5252121292849. The reversal of 5252121292840 is 482921212525.

It is not an unprimeable number, because it can be changed into a prime (5252121292849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59677909 + ... + 59765851.

It is an arithmetic number, because the mean of its divisors is an integer number (185637471840).

Almost surely, 2^{5252121292840} is an apocalyptic number.

It is an amenable number.

5252121292840 is an abundant number, since it is smaller than the sum of its proper divisors (6628676904920).

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

5252121292840 is a wasteful number, since it uses less digits than its factorization.

5252121292840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95962 (or 95958 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 43.

The spelling of 5252121292840 in words is "five trillion, two hundred fifty-two billion, one hundred twenty-one million, two hundred ninety-two thousand, eight hundred forty".