626424442 has 8 divisors (see below), whose sum is σ = 1073870496. Its totient is φ = 268467612.

The previous prime is 626424439. The next prime is 626424443. The reversal of 626424442 is 244424626.

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

It is a super-2 number, since 2×626424442² = 784815163070022728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 626424398 and 626424407.

It is not an unprimeable number, because it can be changed into a prime (626424443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22372288 + ... + 22372315.

It is an arithmetic number, because the mean of its divisors is an integer number (134233812).

Almost surely, 2^626424442 is an apocalyptic number.

626424442 is a deficient number, since it is larger than the sum of its proper divisors (447446054).

626424442 is a wasteful number, since it uses less digits than its factorization.

626424442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44744612.

The product of its digits is 73728, while the sum is 34.

The square root of 626424442 is about 25028.4726261912. The cubic root of 626424442 is about 855.6370169231.

The spelling of 626424442 in words is "six hundred twenty-six million, four hundred twenty-four thousand, four hundred forty-two".