5266461769920 has 504 divisors, whose sum is σ = 19632283287552. Its totient is φ = 1295220326400.

The previous prime is 5266461769903. The next prime is 5266461769981. The reversal of 5266461769920 is 299671646625.

5266461769920 is a `hidden beast` number, since 5 + 2 + 6 + 6 + 4 + 617 + 6 + 9 + 9 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 642953025 + ... + 642961215.

Almost surely, 2^{5266461769920} 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 5266461769920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9816141643776).

5266461769920 is an abundant number, since it is smaller than the sum of its proper divisors (14365821517632).

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

5266461769920 is a wasteful number, since it uses less digits than its factorization.

5266461769920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9561 (or 9535 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 63.

The spelling of 5266461769920 in words is "five trillion, two hundred sixty-six billion, four hundred sixty-one million, seven hundred sixty-nine thousand, nine hundred twenty".