1994214624192 has 672 divisors, whose sum is σ = 6903537152512. Its totient is φ = 559003078656.

The previous prime is 1994214624187. The next prime is 1994214624209. The reversal of 1994214624192 is 2914264124991.

1994214624192 is a `hidden beast` number, since 1 + 9 + 9 + 4 + 2 + 1 + 4 + 624 + 1 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2720619858 + ... + 2720620590.

Almost surely, 2^{1994214624192} is an apocalyptic number.

1994214624192 is a gapful number since it is divisible by the number (12) 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 1994214624192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3451768576256).

1994214624192 is an abundant number, since it is smaller than the sum of its proper divisors (4909322528320).

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

1994214624192 is an equidigital number, since it uses as much as digits as its factorization.

1994214624192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1207 (or 1185 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The spelling of 1994214624192 in words is "one trillion, nine hundred ninety-four billion, two hundred fourteen million, six hundred twenty-four thousand, one hundred ninety-two".