1955718912 has 144 divisors (see below), whose sum is σ = 5996212992. Its totient is φ = 554311680.

The previous prime is 1955718899. The next prime is 1955718971. The reversal of 1955718912 is 2198175591.

It is a Harshad number since it is a multiple of its sum of digits (48).

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 15 ways as a sum of consecutive naturals, for example, 702868 + ... + 705644.

It is an arithmetic number, because the mean of its divisors is an integer number (41640368).

Almost surely, 2^1955718912 is an apocalyptic number.

1955718912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1955718912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998106496).

1955718912 is an abundant number, since it is smaller than the sum of its proper divisors (4040494080).

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

1955718912 is a wasteful number, since it uses less digits than its factorization.

1955718912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2934 (or 2920 counting only the distinct ones).

The product of its digits is 226800, while the sum is 48.

The square root of 1955718912 is about 44223.5108511299. The cubic root of 1955718912 is about 1250.5531231011.

The spelling of 1955718912 in words is "one billion, nine hundred fifty-five million, seven hundred eighteen thousand, nine hundred twelve".