655435770000 has 200 divisors, whose sum is σ = 2308183769760. Its totient is φ = 158893440000.

The previous prime is 655435769983. The next prime is 655435770001. The reversal of 655435770000 is 77534556.

It is a tau number, because it is divible by the number of its divisors (200).

It is not an unprimeable number, because it can be changed into a prime (655435770001) 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 39 ways as a sum of consecutive naturals, for example, 663085 + ... + 1323084.

Almost surely, 2^655435770000 is an apocalyptic number.

655435770000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

655435770000 is an abundant number, since it is smaller than the sum of its proper divisors (1652747999760).

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

655435770000 is a wasteful number, since it uses less digits than its factorization.

655435770000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986211 (or 1986190 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 42.

The spelling of 655435770000 in words is "six hundred fifty-five billion, four hundred thirty-five million, seven hundred seventy thousand".