626401368 has 24 divisors (see below), whose sum is σ = 1696503900. Its totient is φ = 208800432.

The previous prime is 626401337. The next prime is 626401381. The reversal of 626401368 is 863104626.

626401368 is a `hidden beast` number, since 6 + 2 + 640 + 1 + 3 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4349938 + ... + 4350081.

Almost surely, 2^626401368 is an apocalyptic number.

It is an amenable number.

626401368 is an abundant number, since it is smaller than the sum of its proper divisors (1070102532).

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

626401368 is a wasteful number, since it uses less digits than its factorization.

626401368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8700031 (or 8700024 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 626401368 is about 25028.0116669303. The cubic root of 626401368 is about 855.6265111544.

The spelling of 626401368 in words is "six hundred twenty-six million, four hundred one thousand, three hundred sixty-eight".