203440425256 has 32 divisors (see below), whose sum is σ = 382590858240. Its totient is φ = 101416650048.

The previous prime is 203440425241. The next prime is 203440425277. The reversal of 203440425256 is 652524044302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3648321 + ... + 3703663.

It is an arithmetic number, because the mean of its divisors is an integer number (11955964320).

Almost surely, 2^203440425256 is an apocalyptic number.

It is an amenable number.

203440425256 is a deficient number, since it is larger than the sum of its proper divisors (179150432984).

203440425256 is a wasteful number, since it uses less digits than its factorization.

203440425256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56713 (or 56709 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 203440425256 its reverse (652524044302), we get a palindrome (855964469558).

The spelling of 203440425256 in words is "two hundred three billion, four hundred forty million, four hundred twenty-five thousand, two hundred fifty-six".