4778759202420 has 96 divisors (see below), whose sum is σ = 15647658098688. Its totient is φ = 1066885771392.

The previous prime is 4778759202409. The next prime is 4778759202433. The reversal of 4778759202420 is 242029578774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 132284244 + ... + 132320363.

It is an arithmetic number, because the mean of its divisors is an integer number (162996438528).

Almost surely, 2^{4778759202420} is an apocalyptic number.

It is an amenable number.

4778759202420 is an abundant number, since it is smaller than the sum of its proper divisors (10868898896268).

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

4778759202420 is a wasteful number, since it uses less digits than its factorization.

4778759202420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264604669 (or 264604667 counting only the distinct ones).

The product of its (nonzero) digits is 15805440, while the sum is 57.

The spelling of 4778759202420 in words is "four trillion, seven hundred seventy-eight billion, seven hundred fifty-nine million, two hundred two thousand, four hundred twenty".