2668533504 has 144 divisors (see below), whose sum is σ = 8741386752. Its totient is φ = 703770624.

The previous prime is 2668533481. The next prime is 2668533563. The reversal of 2668533504 is 4053358662.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 50797 + ... + 88979.

Almost surely, 2^2668533504 is an apocalyptic number.

2668533504 is a gapful number since it is divisible by the number (24) 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 2668533504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4370693376).

2668533504 is an abundant number, since it is smaller than the sum of its proper divisors (6072853248).

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

2668533504 is a wasteful number, since it uses less digits than its factorization.

2668533504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38222 (or 38208 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 42.

The square root of 2668533504 is about 51657.8503617795. The cubic root of 2668533504 is about 1387.0460713956.

The spelling of 2668533504 in words is "two billion, six hundred sixty-eight million, five hundred thirty-three thousand, five hundred four".