2158213294080 has 576 divisors, whose sum is σ = 7744338201600. Its totient is φ = 555295703040.

The previous prime is 2158213294079. The next prime is 2158213294109. The reversal of 2158213294080 is 804923128512.

2158213294080 is a `hidden beast` number, since 2 + 1 + 5 + 8 + 213 + 29 + 408 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

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 47 ways as a sum of consecutive naturals, for example, 1168495717 + ... + 1168497563.

It is an arithmetic number, because the mean of its divisors is an integer number (13445031600).

Almost surely, 2^{2158213294080} is an apocalyptic number.

2158213294080 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 2158213294080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3872169100800).

2158213294080 is an abundant number, since it is smaller than the sum of its proper divisors (5586124907520).

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

2158213294080 is a wasteful number, since it uses less digits than its factorization.

2158213294080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2320 (or 2297 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 2158213294080 in words is "two trillion, one hundred fifty-eight billion, two hundred thirteen million, two hundred ninety-four thousand, eighty".