626400422 has 8 divisors (see below), whose sum is σ = 939723096. Its totient is φ = 313159392.

The previous prime is 626400421. The next prime is 626400431. The reversal of 626400422 is 224004626.

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

It is a junction number, because it is equal to n+sod(n) for n = 626400391 and 626400400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (626400421) 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, 5198 + ... + 35774.

It is an arithmetic number, because the mean of its divisors is an integer number (117465387).

Almost surely, 2^626400422 is an apocalyptic number.

626400422 is a deficient number, since it is larger than the sum of its proper divisors (313322674).

626400422 is a wasteful number, since it uses less digits than its factorization.

626400422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40822.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 626400422 is about 25027.9927680987. The cubic root of 626400422 is about 855.6260804279.

The spelling of 626400422 in words is "six hundred twenty-six million, four hundred thousand, four hundred twenty-two".