626570442 has 48 divisors (see below), whose sum is σ = 1410065280. Its totient is φ = 200932416.

The previous prime is 626570431. The next prime is 626570443. The reversal of 626570442 is 244075626.

It is a junction number, because it is equal to n+sod(n) for n = 626570397 and 626570406.

It is not an unprimeable number, because it can be changed into a prime (626570443) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43638 + ... + 56190.

It is an arithmetic number, because the mean of its divisors is an integer number (29376360).

Almost surely, 2^626570442 is an apocalyptic number.

626570442 is an abundant number, since it is smaller than the sum of its proper divisors (783494838).

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

626570442 is a wasteful number, since it uses less digits than its factorization.

626570442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12667 (or 12664 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 626570442 is about 25031.3891344448. The cubic root of 626570442 is about 855.7034858602.

The spelling of 626570442 in words is "six hundred twenty-six million, five hundred seventy thousand, four hundred forty-two".