604220640640 has 64 divisors (see below), whose sum is σ = 1448067741120. Its totient is φ = 241085440000.

The previous prime is 604220640619. The next prime is 604220640643. The reversal of 604220640640 is 46046022406.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 604220640596 and 604220640605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (604220640643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 920536 + ... + 1433815.

It is an arithmetic number, because the mean of its divisors is an integer number (22626058455).

Almost surely, 2^604220640640 is an apocalyptic number.

It is an amenable number.

604220640640 is an abundant number, since it is smaller than the sum of its proper divisors (843847100480).

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

604220640640 is a wasteful number, since it uses less digits than its factorization.

604220640640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354771 (or 2354759 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

The spelling of 604220640640 in words is "six hundred four billion, two hundred twenty million, six hundred forty thousand, six hundred forty".