2656488000 has 336 divisors, whose sum is σ = 9342388224. Its totient is φ = 664985600.

The previous prime is 2656487969. The next prime is 2656488011. The reversal of 2656488000 is 8846562.

It is a self number, because there is not a number n which added to its sum of digits gives 2656488000.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6935809 + ... + 6936191.

Almost surely, 2^2656488000 is an apocalyptic number.

2656488000 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 2656488000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4671194112).

2656488000 is an abundant number, since it is smaller than the sum of its proper divisors (6685900224).

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

2656488000 is a wasteful number, since it uses less digits than its factorization.

2656488000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2656488000 is about 51541.1292076532. The cubic root of 2656488000 is about 1384.9559257350.

The spelling of 2656488000 in words is "two billion, six hundred fifty-six million, four hundred eighty-eight thousand".