1955185104 has 160 divisors (see below), whose sum is σ = 5499290880. Its totient is φ = 596721664.

The previous prime is 1955185091. The next prime is 1955185109. The reversal of 1955185104 is 4015815591.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1955185109) 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 31 ways as a sum of consecutive naturals, for example, 5538592 + ... + 5538944.

It is an arithmetic number, because the mean of its divisors is an integer number (34370568).

Almost surely, 2^1955185104 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 1955185104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2749645440).

1955185104 is an abundant number, since it is smaller than the sum of its proper divisors (3544105776).

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

1955185104 is a wasteful number, since it uses less digits than its factorization.

1955185104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589 (or 583 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 39.

The square root of 1955185104 is about 44217.4750975222. The cubic root of 1955185104 is about 1250.4393344235.

The spelling of 1955185104 in words is "one billion, nine hundred fifty-five million, one hundred eighty-five thousand, one hundred four".