4350061781856 has 768 divisors, whose sum is σ = 15582357504000. Its totient is φ = 1152428580864.

The previous prime is 4350061781833. The next prime is 4350061781887. The reversal of 4350061781856 is 6581871600534.

It is a happy number.

4350061781856 is a `hidden beast` number, since 4 + 3 + 5 + 0 + 0 + 617 + 8 + 18 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2189260095 + ... + 2189262081.

It is an arithmetic number, because the mean of its divisors is an integer number (20289528000).

Almost surely, 2^{4350061781856} 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 4350061781856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7791178752000).

4350061781856 is an abundant number, since it is smaller than the sum of its proper divisors (11232295722144).

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

4350061781856 is a wasteful number, since it uses less digits than its factorization.

4350061781856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336 (or 2322 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 4350061781856 in words is "four trillion, three hundred fifty billion, sixty-one million, seven hundred eighty-one thousand, eight hundred fifty-six".