204250345240 has 16 divisors (see below), whose sum is σ = 459563276880. Its totient is φ = 81700138080.

The previous prime is 204250345183. The next prime is 204250345253. The reversal of 204250345240 is 42543052402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2553129276 + ... + 2553129355.

It is an arithmetic number, because the mean of its divisors is an integer number (28722704805).

Almost surely, 2^204250345240 is an apocalyptic number.

204250345240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

204250345240 is an abundant number, since it is smaller than the sum of its proper divisors (255312931640).

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

204250345240 is a wasteful number, since it uses less digits than its factorization.

204250345240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106258642 (or 5106258638 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 31.

Adding to 204250345240 its reverse (42543052402), we get a palindrome (246793397642).

The spelling of 204250345240 in words is "two hundred four billion, two hundred fifty million, three hundred forty-five thousand, two hundred forty".