1955489652 has 36 divisors (see below), whose sum is σ = 5203205280. Its totient is φ = 617522832.

The previous prime is 1955489603. The next prime is 1955489677. The reversal of 1955489652 is 2569845591.

1955489652 is a `hidden beast` number, since 1 + 9 + 5 + 548 + 96 + 5 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1955489652² = 7647879558158162208, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1428768 + ... + 1430135.

It is an arithmetic number, because the mean of its divisors is an integer number (144533480).

Almost surely, 2^1955489652 is an apocalyptic number.

1955489652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1955489652 is an abundant number, since it is smaller than the sum of its proper divisors (3247715628).

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

1955489652 is a wasteful number, since it uses less digits than its factorization.

1955489652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2858932 (or 2858927 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 54.

The square root of 1955489652 is about 44220.9187150154. The cubic root of 1955489652 is about 1250.5042556470.

The spelling of 1955489652 in words is "one billion, nine hundred fifty-five million, four hundred eighty-nine thousand, six hundred fifty-two".