626101604642442 has 16 divisors (see below), whose sum is σ = 1263691312123680. Its totient is φ = 206785851074352.

The previous prime is 626101604642441. The next prime is 626101604642471. The reversal of 626101604642442 is 244246406101626.

It is a junction number, because it is equal to n+sod(n) for n = 626101604642391 and 626101604642400.

It is not an unprimeable number, because it can be changed into a prime (626101604642441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478670950908 + ... + 478670952215.

It is an arithmetic number, because the mean of its divisors is an integer number (78980707007730).

Almost surely, 2^{626101604642442} is an apocalyptic number.

626101604642442 is an abundant number, since it is smaller than the sum of its proper divisors (637589707481238).

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

626101604642442 is a wasteful number, since it uses less digits than its factorization.

626101604642442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957341903237.

The product of its (nonzero) digits is 2654208, while the sum is 48.

The spelling of 626101604642442 in words is "six hundred twenty-six trillion, one hundred one billion, six hundred four million, six hundred forty-two thousand, four hundred forty-two".