625656938142 has 16 divisors (see below), whose sum is σ = 1251334021392. Its totient is φ = 208548955200.

The previous prime is 625656938113. The next prime is 625656938143. The reversal of 625656938142 is 241839656526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625656938143) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 419473 + ... + 1194684.

It is an arithmetic number, because the mean of its divisors is an integer number (78208376337).

Almost surely, 2^625656938142 is an apocalyptic number.

625656938142 is an abundant number, since it is smaller than the sum of its proper divisors (625677083250).

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

625656938142 is a wasteful number, since it uses less digits than its factorization.

625656938142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678763.

The product of its digits is 18662400, while the sum is 57.

The spelling of 625656938142 in words is "six hundred twenty-five billion, six hundred fifty-six million, nine hundred thirty-eight thousand, one hundred forty-two".