1984377085250 has 32 divisors (see below), whose sum is σ = 4245433036416. Its totient is φ = 680357857200.

The previous prime is 1984377085169. The next prime is 1984377085267. The reversal of 1984377085250 is 525807734891.

It is a self number, because there is not a number n which added to its sum of digits gives 1984377085250.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 566963132 + ... + 566966631.

It is an arithmetic number, because the mean of its divisors is an integer number (132669782388).

Almost surely, 2^{1984377085250} is an apocalyptic number.

1984377085250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1984377085250 is an abundant number, since it is smaller than the sum of its proper divisors (2261055951166).

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

1984377085250 is a wasteful number, since it uses less digits than its factorization.

1984377085250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133929787 (or 1133929777 counting only the distinct ones).

The product of its (nonzero) digits is 16934400, while the sum is 59.

The spelling of 1984377085250 in words is "one trillion, nine hundred eighty-four billion, three hundred seventy-seven million, eighty-five thousand, two hundred fifty".