1984514424156 has 240 divisors, whose sum is σ = 5722512187392. Its totient is φ = 594707702400.

The previous prime is 1984514424131. The next prime is 1984514424163. The reversal of 1984514424156 is 6514244154891.

It is a happy number.

1984514424156 is a `hidden beast` number, since 1 + 9 + 8 + 45 + 1 + 442 + 4 + 156 = 666.

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

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 143476161 + ... + 143489991.

Almost surely, 2^{1984514424156} 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 1984514424156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2861256093696).

1984514424156 is an abundant number, since it is smaller than the sum of its proper divisors (3737997763236).

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

1984514424156 is a wasteful number, since it uses less digits than its factorization.

1984514424156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302 (or 14291 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 54.

The spelling of 1984514424156 in words is "one trillion, nine hundred eighty-four billion, five hundred fourteen million, four hundred twenty-four thousand, one hundred fifty-six".