2180861034264 has 384 divisors, whose sum is σ = 7348790292480. Its totient is φ = 575754854400.

The previous prime is 2180861034239. The next prime is 2180861034277. The reversal of 2180861034264 is 4624301680812.

2180861034264 is a `hidden beast` number, since 2 + 1 + 8 + 0 + 8 + 610 + 3 + 4 + 26 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 9486244 + ... + 9713420.

It is an arithmetic number, because the mean of its divisors is an integer number (19137474720).

Almost surely, 2^{2180861034264} is an apocalyptic number.

2180861034264 is a gapful number since it is divisible by the number (24) 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 2180861034264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3674395146240).

2180861034264 is an abundant number, since it is smaller than the sum of its proper divisors (5167929258216).

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

2180861034264 is a wasteful number, since it uses less digits than its factorization.

2180861034264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227271 (or 227264 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 2180861034264 in words is "two trillion, one hundred eighty billion, eight hundred sixty-one million, thirty-four thousand, two hundred sixty-four".