2141890732800 has 3456 divisors, whose sum is σ = 10423732838400. Its totient is φ = 417798881280.

The previous prime is 2141890732771. The next prime is 2141890732811. The reversal of 2141890732800 is 82370981412.

It is a happy number.

2141890732800 is a `hidden beast` number, since 2 + 1 + 418 + 90 + 73 + 2 + 80 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (3456).

It is a super-2 number, since 2×2141890732800² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 20017670347 + ... + 20017670453.

It is an arithmetic number, because the mean of its divisors is an integer number (3016126400).

Almost surely, 2^{2141890732800} is an apocalyptic number.

2141890732800 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 2141890732800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5211866419200).

2141890732800 is an abundant number, since it is smaller than the sum of its proper divisors (8281842105600).

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

2141890732800 is a wasteful number, since it uses less digits than its factorization.

2141890732800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 2141890732800 in words is "two trillion, one hundred forty-one billion, eight hundred ninety million, seven hundred thirty-two thousand, eight hundred".