5251345346420 has 48 divisors (see below), whose sum is σ = 11629078191360. Its totient is φ = 1986410738304.

The previous prime is 5251345346419. The next prime is 5251345346431. The reversal of 5251345346420 is 246435431525.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12193484 + ... + 12616803.

It is an arithmetic number, because the mean of its divisors is an integer number (242272462320).

Almost surely, 2^{5251345346420} is an apocalyptic number.

It is an amenable number.

5251345346420 is an abundant number, since it is smaller than the sum of its proper divisors (6377732844940).

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

5251345346420 is a wasteful number, since it uses less digits than its factorization.

5251345346420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24810872 (or 24810870 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 5251345346420 in words is "five trillion, two hundred fifty-one billion, three hundred forty-five million, three hundred forty-six thousand, four hundred twenty".