5351478377420 has 192 divisors, whose sum is σ = 13194937324800. Its totient is φ = 1785231372288.

The previous prime is 5351478377419. The next prime is 5351478377507. The reversal of 5351478377420 is 247738741535.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 463365806 + ... + 463377354.

It is an arithmetic number, because the mean of its divisors is an integer number (68723631900).

Almost surely, 2^{5351478377420} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5351478377420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6597468662400).

5351478377420 is an abundant number, since it is smaller than the sum of its proper divisors (7843458947380).

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

5351478377420 is a wasteful number, since it uses less digits than its factorization.

5351478377420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12132 (or 12130 counting only the distinct ones).

The product of its (nonzero) digits is 19756800, while the sum is 56.

The spelling of 5351478377420 in words is "five trillion, three hundred fifty-one billion, four hundred seventy-eight million, three hundred seventy-seven thousand, four hundred twenty".