1955444112 has 80 divisors (see below), whose sum is σ = 5637228480. Its totient is φ = 648983808.

The previous prime is 1955444093. The next prime is 1955444137. The reversal of 1955444112 is 2114445591.

1955444112 is a `hidden beast` number, since 195 + 54 + 4 + 411 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90943 + ... + 110369.

It is an arithmetic number, because the mean of its divisors is an integer number (70465356).

Almost surely, 2^1955444112 is an apocalyptic number.

1955444112 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 1955444112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2818614240).

1955444112 is an abundant number, since it is smaller than the sum of its proper divisors (3681784368).

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

1955444112 is a wasteful number, since it uses less digits than its factorization.

1955444112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19677 (or 19665 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 1955444112 is about 44220.4037973422. The cubic root of 1955444112 is about 1250.4945482052.

The spelling of 1955444112 in words is "one billion, nine hundred fifty-five million, four hundred forty-four thousand, one hundred twelve".