2578388160 has 112 divisors (see below), whose sum is σ = 8617305600. Its totient is φ = 651377664.

The previous prime is 2578388143. The next prime is 2578388191. The reversal of 2578388160 is 618838752.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 52440 + ... + 88919.

Almost surely, 2^2578388160 is an apocalyptic number.

2578388160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2578388160 is an abundant number, since it is smaller than the sum of its proper divisors (6038917440).

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

2578388160 is a wasteful number, since it uses less digits than its factorization.

2578388160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141398 (or 141388 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 2578388160 is about 50777.8313833901. The cubic root of 2578388160 is about 1371.2482912826.

The spelling of 2578388160 in words is "two billion, five hundred seventy-eight million, three hundred eighty-eight thousand, one hundred sixty".