2669993560 has 64 divisors (see below), whose sum is σ = 6495098400. Its totient is φ = 981958656.

The previous prime is 2669993549. The next prime is 2669993591. The reversal of 2669993560 is 653999662.

It is a super-2 number, since 2×2669993560² = 14257731220882947200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 123651 + ... + 143629.

Almost surely, 2^2669993560 is an apocalyptic number.

2669993560 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 2669993560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3247549200).

2669993560 is an abundant number, since it is smaller than the sum of its proper divisors (3825104840).

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

2669993560 is a wasteful number, since it uses less digits than its factorization.

2669993560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20260 (or 20256 counting only the distinct ones).

The product of its (nonzero) digits is 4723920, while the sum is 55.

The square root of 2669993560 is about 51671.9804149212. The cubic root of 2669993560 is about 1387.2989937966.

The spelling of 2669993560 in words is "two billion, six hundred sixty-nine million, nine hundred ninety-three thousand, five hundred sixty".