4091894823324 has 192 divisors, whose sum is σ = 12587387387904. Its totient is φ = 1003458240000.

The previous prime is 4091894823307. The next prime is 4091894823329. The reversal of 4091894823324 is 4233284981904.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091894823329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 567712 + ... + 2916519.

It is an arithmetic number, because the mean of its divisors is an integer number (65559309312).

Almost surely, 2^{4091894823324} is an apocalyptic number.

4091894823324 is a gapful number since it is divisible by the number (44) 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 4091894823324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6293693693952).

4091894823324 is an abundant number, since it is smaller than the sum of its proper divisors (8495492564580).

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

4091894823324 is a wasteful number, since it uses less digits than its factorization.

4091894823324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3484328 (or 3484326 counting only the distinct ones).

The product of its (nonzero) digits is 11943936, while the sum is 57.

The spelling of 4091894823324 in words is "four trillion, ninety-one billion, eight hundred ninety-four million, eight hundred twenty-three thousand, three hundred twenty-four".