1948118987730 has 128 divisors (see below), whose sum is σ = 4728510888192. Its totient is φ = 513648000000.

The previous prime is 1948118987729. The next prime is 1948118987747. The reversal of 1948118987730 is 377898118491.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1118964660 + ... + 1118966400.

It is an arithmetic number, because the mean of its divisors is an integer number (36941491314).

Almost surely, 2^{1948118987730} is an apocalyptic number.

1948118987730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1948118987730 is an abundant number, since it is smaller than the sum of its proper divisors (2780391900462).

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

1948118987730 is a wasteful number, since it uses less digits than its factorization.

1948118987730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004.

The product of its (nonzero) digits is 24385536, while the sum is 66.

The spelling of 1948118987730 in words is "one trillion, nine hundred forty-eight billion, one hundred eighteen million, nine hundred eighty-seven thousand, seven hundred thirty".