200001210245440 has 112 divisors (see below), whose sum is σ = 506336124809088. Its totient is φ = 75078386898944.

The previous prime is 200001210245407. The next prime is 200001210245503. The reversal of 200001210245440 is 44542012100002.

It is a congruent number.

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, 255969142 + ... + 256749301.

It is an arithmetic number, because the mean of its divisors is an integer number (4520858257224).

Almost surely, 2^{200001210245440} is an apocalyptic number.

200001210245440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200001210245440 is an abundant number, since it is smaller than the sum of its proper divisors (306334914563648).

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

200001210245440 is a wasteful number, since it uses less digits than its factorization.

200001210245440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512718536 (or 512718526 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

Adding to 200001210245440 its reverse (44542012100002), we get a palindrome (244543222345442).

The spelling of 200001210245440 in words is "two hundred trillion, one billion, two hundred ten million, two hundred forty-five thousand, four hundred forty".