655142345200 has 60 divisors (see below), whose sum is σ = 1798833704080. Its totient is φ = 224620231680.

The previous prime is 655142345167. The next prime is 655142345213. The reversal of 655142345200 is 2543241556.

It is a super-2 number, since 2×655142345200² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 655142345200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 116986905 + ... + 116992504.

Almost surely, 2^655142345200 is an apocalyptic number.

It is an amenable number.

655142345200 is an abundant number, since it is smaller than the sum of its proper divisors (1143691358880).

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

655142345200 is a wasteful number, since it uses less digits than its factorization.

655142345200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233979434 (or 233979423 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

Adding to 655142345200 its reverse (2543241556), we get a palindrome (657685586756).

The spelling of 655142345200 in words is "six hundred fifty-five billion, one hundred forty-two million, three hundred forty-five thousand, two hundred".