1988952789024 has 120 divisors (see below), whose sum is σ = 5870126520720. Its totient is φ = 660641318784.

The previous prime is 1988952789013. The next prime is 1988952789029. The reversal of 1988952789024 is 4209872598891.

1988952789024 is a `hidden beast` number, since 1 + 9 + 8 + 8 + 9 + 527 + 8 + 90 + 2 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (1988952789029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 622194 + ... + 2089265.

It is an arithmetic number, because the mean of its divisors is an integer number (48917721006).

Almost surely, 2^{1988952789024} is an apocalyptic number.

It is an amenable number.

1988952789024 is an abundant number, since it is smaller than the sum of its proper divisors (3881173731696).

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

1988952789024 is a wasteful number, since it uses less digits than its factorization.

1988952789024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711764 (or 2711747 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 72.

The spelling of 1988952789024 in words is "one trillion, nine hundred eighty-eight billion, nine hundred fifty-two million, seven hundred eighty-nine thousand, twenty-four".