622772640800 has 54 divisors (see below), whose sum is σ = 1520398201959. Its totient is φ = 249100128000.

The previous prime is 622772640799. The next prime is 622772640811. The reversal of 622772640800 is 8046277226.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 502754738704 + 120017902096 = 709052^2 + 346436^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=558020.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 22306850 + ... + 22334750.

Almost surely, 2^622772640800 is an apocalyptic number.

It is an amenable number.

622772640800 is an abundant number, since it is smaller than the sum of its proper divisors (897625561159).

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

622772640800 is an frugal number, since it uses more digits than its factorization.

622772640800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55822 (or 27908 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 44.

The spelling of 622772640800 in words is "six hundred twenty-two billion, seven hundred seventy-two million, six hundred forty thousand, eight hundred".