626320494 has 24 divisors (see below), whose sum is σ = 1436853600. Its totient is φ = 196492608.

The previous prime is 626320483. The next prime is 626320507. The reversal of 626320494 is 494023626.

626320494 is a `hidden beast` number, since 626 + 3 + 20 + 4 + 9 + 4 = 666.

626320494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×626320494² = 784554722408808072, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1023094 + ... + 1023705.

It is an arithmetic number, because the mean of its divisors is an integer number (59868900).

Almost surely, 2^626320494 is an apocalyptic number.

626320494 is an abundant number, since it is smaller than the sum of its proper divisors (810533106).

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

626320494 is a wasteful number, since it uses less digits than its factorization.

626320494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2046824 (or 2046821 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 626320494 is about 25026.3959450817. The cubic root of 626320494 is about 855.5896865665.

The spelling of 626320494 in words is "six hundred twenty-six million, three hundred twenty thousand, four hundred ninety-four".