1955825508 has 144 divisors (see below), whose sum is σ = 5678539776. Its totient is φ = 513002880.

The previous prime is 1955825489. The next prime is 1955825561. The reversal of 1955825508 is 8055285591.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4414735 + ... + 4415177.

It is an arithmetic number, because the mean of its divisors is an integer number (39434304).

Almost surely, 2^1955825508 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 1955825508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2839269888).

1955825508 is an abundant number, since it is smaller than the sum of its proper divisors (3722714268).

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

1955825508 is a wasteful number, since it uses less digits than its factorization.

1955825508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 779 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 48.

The square root of 1955825508 is about 44224.7160307446. The cubic root of 1955825508 is about 1250.5758430564.

The spelling of 1955825508 in words is "one billion, nine hundred fifty-five million, eight hundred twenty-five thousand, five hundred eight".