1995311232 has 160 divisors (see below), whose sum is σ = 5971553280. Its totient is φ = 661353984.

The previous prime is 1995311231. The next prime is 1995311251. The reversal of 1995311232 is 2321135991.

1995311232 is a `hidden beast` number, since 1 + 99 + 531 + 1 + 2 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1995311231) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 2311633 + ... + 2312495.

It is an arithmetic number, because the mean of its divisors is an integer number (37322208).

Almost surely, 2^1995311232 is an apocalyptic number.

1995311232 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 1995311232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2985776640).

1995311232 is an abundant number, since it is smaller than the sum of its proper divisors (3976242048).

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

1995311232 is an equidigital number, since it uses as much as digits as its factorization.

1995311232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1091 counting only the distinct ones).

The product of its digits is 14580, while the sum is 36.

The square root of 1995311232 is about 44668.9067696983. The cubic root of 1995311232 is about 1258.9356998968.

The spelling of 1995311232 in words is "one billion, nine hundred ninety-five million, three hundred eleven thousand, two hundred thirty-two".