604378309920 has 384 divisors, whose sum is σ = 2377046310912. Its totient is φ = 125400576000.

The previous prime is 604378309907. The next prime is 604378309921. The reversal of 604378309920 is 29903873406.

It is not an unprimeable number, because it can be changed into a prime (604378309921) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25897297 + ... + 25920623.

It is an arithmetic number, because the mean of its divisors is an integer number (6190224768).

Almost surely, 2^604378309920 is an apocalyptic number.

604378309920 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 604378309920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1188523155456).

604378309920 is an abundant number, since it is smaller than the sum of its proper divisors (1772668000992).

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

604378309920 is a wasteful number, since it uses less digits than its factorization.

604378309920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24064 (or 24056 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 51.

The spelling of 604378309920 in words is "six hundred four billion, three hundred seventy-eight million, three hundred nine thousand, nine hundred twenty".