626407242 has 8 divisors (see below), whose sum is σ = 1252814496. Its totient is φ = 208802412.

The previous prime is 626407241. The next prime is 626407247. The reversal of 626407242 is 242704626.

626407242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

626407242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (626407241) 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, 52200598 + ... + 52200609.

It is an arithmetic number, because the mean of its divisors is an integer number (156601812).

Almost surely, 2^626407242 is an apocalyptic number.

626407242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

626407242 is a wasteful number, since it uses less digits than its factorization.

626407242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104401212.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 626407242 is about 25028.1290151701. The cubic root of 626407242 is about 855.6291856560.

The spelling of 626407242 in words is "six hundred twenty-six million, four hundred seven thousand, two hundred forty-two".