625642031533340 has 12 divisors (see below), whose sum is σ = 1313848266220056. Its totient is φ = 250256812613328.

The previous prime is 625642031533319. The next prime is 625642031533349. The reversal of 625642031533340 is 43335130246526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625642031533349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15641050788314 + ... + 15641050788353.

It is an arithmetic number, because the mean of its divisors is an integer number (109487355518338).

Almost surely, 2^{625642031533340} is an apocalyptic number.

It is an amenable number.

625642031533340 is an abundant number, since it is smaller than the sum of its proper divisors (688206234686716).

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

625642031533340 is a wasteful number, since it uses less digits than its factorization.

625642031533340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31282101576676 (or 31282101576674 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 47.

Adding to 625642031533340 its reverse (43335130246526), we get a palindrome (668977161779866).

The spelling of 625642031533340 in words is "six hundred twenty-five trillion, six hundred forty-two billion, thirty-one million, five hundred thirty-three thousand, three hundred forty".