1964235423744 has 864 divisors, whose sum is σ = 6752468136960. Its totient is φ = 543581798400.

The previous prime is 1964235423727. The next prime is 1964235423769. The reversal of 1964235423744 is 4473245324691.

1964235423744 is a `hidden beast` number, since 1 + 9 + 6 + 4 + 23 + 542 + 3 + 74 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7642939264 + ... + 7642939520.

It is an arithmetic number, because the mean of its divisors is an integer number (7815356640).

Almost surely, 2^{1964235423744} 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 1964235423744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3376234068480).

1964235423744 is an abundant number, since it is smaller than the sum of its proper divisors (4788232713216).

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

1964235423744 is a wasteful number, since it uses less digits than its factorization.

1964235423744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 323 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 54.

The spelling of 1964235423744 in words is "one trillion, nine hundred sixty-four billion, two hundred thirty-five million, four hundred twenty-three thousand, seven hundred forty-four".