1604488774880 has 96 divisors (see below), whose sum is σ = 4098977156736. Its totient is φ = 591190810624.

The previous prime is 1604488774873. The next prime is 1604488774909. The reversal of 1604488774880 is 884778844061.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6147539 + ... + 6403218.

It is an arithmetic number, because the mean of its divisors is an integer number (42697678716).

Almost surely, 2^{1604488774880} is an apocalyptic number.

1604488774880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1604488774880 is an abundant number, since it is smaller than the sum of its proper divisors (2494488381856).

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

1604488774880 is a wasteful number, since it uses less digits than its factorization.

1604488774880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12550836 (or 12550828 counting only the distinct ones).

The product of its (nonzero) digits is 77070336, while the sum is 65.

The spelling of 1604488774880 in words is "one trillion, six hundred four billion, four hundred eighty-eight million, seven hundred seventy-four thousand, eight hundred eighty".