2604866000 has 160 divisors (see below), whose sum is σ = 6922056960. Its totient is φ = 940224000.

The previous prime is 2604865969. The next prime is 2604866029. The reversal of 2604866000 is 6684062.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3673646 + ... + 3674354.

It is an arithmetic number, because the mean of its divisors is an integer number (43262856).

Almost surely, 2^2604866000 is an apocalyptic number.

2604866000 is a gapful number since it is divisible by the number (20) 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 2604866000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3461028480).

2604866000 is an abundant number, since it is smaller than the sum of its proper divisors (4317190960).

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

2604866000 is a wasteful number, since it uses less digits than its factorization.

2604866000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 894 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 2604866000 is about 51037.8878873333. The cubic root of 2604866000 is about 1375.9261638990.

The spelling of 2604866000 in words is "two billion, six hundred four million, eight hundred sixty-six thousand".