2855466497520 has 720 divisors, whose sum is σ = 12132496408032. Its totient is φ = 596497305600.

The previous prime is 2855466497497. The next prime is 2855466497641. The reversal of 2855466497520 is 257946645582.

2855466497520 is a `hidden beast` number, since 2 + 8 + 5 + 5 + 4 + 66 + 49 + 7 + 520 = 666.

2855466497520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 46291819 + ... + 46353461.

Almost surely, 2^{2855466497520} is an apocalyptic number.

2855466497520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2855466497520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6066248204016).

2855466497520 is an abundant number, since it is smaller than the sum of its proper divisors (9277029910512).

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

2855466497520 is a wasteful number, since it uses less digits than its factorization.

2855466497520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61790 (or 61774 counting only the distinct ones).

The product of its (nonzero) digits is 145152000, while the sum is 63.

The spelling of 2855466497520 in words is "two trillion, eight hundred fifty-five billion, four hundred sixty-six million, four hundred ninety-seven thousand, five hundred twenty".