2194020235264 has 384 divisors, whose sum is σ = 5249327428800. Its totient is φ = 909083934720.

The previous prime is 2194020235261. The next prime is 2194020235273. The reversal of 2194020235264 is 4625320204912.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2194020235261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4800919324 + ... + 4800919780.

Almost surely, 2^{2194020235264} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2194020235264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2624663714400).

2194020235264 is an abundant number, since it is smaller than the sum of its proper divisors (3055307193536).

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

2194020235264 is an equidigital number, since it uses as much as digits as its factorization.

2194020235264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 40.

The spelling of 2194020235264 in words is "two trillion, one hundred ninety-four billion, twenty million, two hundred thirty-five thousand, two hundred sixty-four".