5144905642420 has 12 divisors (see below), whose sum is σ = 10804301849124. Its totient is φ = 2057962256960.

The previous prime is 5144905642417. The next prime is 5144905642507. The reversal of 5144905642420 is 242465094415.

It can be written as a sum of positive squares in 2 ways, for example, as 1251592612516 + 3893313029904 = 1118746^2 + 1973148^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128622641041 + ... + 128622641080.

It is an arithmetic number, because the mean of its divisors is an integer number (900358487427).

Almost surely, 2^{5144905642420} is an apocalyptic number.

It is an amenable number.

5144905642420 is an abundant number, since it is smaller than the sum of its proper divisors (5659396206704).

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

5144905642420 is a wasteful number, since it uses less digits than its factorization.

5144905642420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257245282130 (or 257245282128 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 46.

The spelling of 5144905642420 in words is "five trillion, one hundred forty-four billion, nine hundred five million, six hundred forty-two thousand, four hundred twenty".