2178798410880 has 1024 divisors, whose sum is σ = 9618094080000. Its totient is φ = 453857624064.

The previous prime is 2178798410843. The next prime is 2178798410891. The reversal of 2178798410880 is 880148978712.

2178798410880 is a `hidden beast` number, since 2 + 1 + 78 + 79 + 8 + 410 + 8 + 80 = 666.

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

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, 124217151 + ... + 124234689.

It is an arithmetic number, because the mean of its divisors is an integer number (9392670000).

Almost surely, 2^{2178798410880} is an apocalyptic number.

2178798410880 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 2178798410880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4809047040000).

2178798410880 is an abundant number, since it is smaller than the sum of its proper divisors (7439295669120).

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

2178798410880 is a wasteful number, since it uses less digits than its factorization.

2178798410880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17666 (or 17648 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 63.

The spelling of 2178798410880 in words is "two trillion, one hundred seventy-eight billion, seven hundred ninety-eight million, four hundred ten thousand, eight hundred eighty".