626234440130146 has 4 divisors (see below), whose sum is σ = 939351660195222. Its totient is φ = 313117220065072.

The previous prime is 626234440130141. The next prime is 626234440130179. The reversal of 626234440130146 is 641031044432626.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 314553458279025 + 311680981851121 = 17735655^2 + 17654489^2 .

It is a junction number, because it is equal to n+sod(n) for n = 626234440130096 and 626234440130105.

It is not an unprimeable number, because it can be changed into a prime (626234440130141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156558610032535 + ... + 156558610032538.

Almost surely, 2^{626234440130146} is an apocalyptic number.

626234440130146 is a deficient number, since it is larger than the sum of its proper divisors (313117220065076).

626234440130146 is a wasteful number, since it uses less digits than its factorization.

626234440130146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313117220065075.

The product of its (nonzero) digits is 1990656, while the sum is 46.

The spelling of 626234440130146 in words is "six hundred twenty-six trillion, two hundred thirty-four billion, four hundred forty million, one hundred thirty thousand, one hundred forty-six".