2666936029280 has 48 divisors (see below), whose sum is σ = 6300737077824. Its totient is φ = 1066757360640.

The previous prime is 2666936029273. The next prime is 2666936029309. The reversal of 2666936029280 is 829206396662.

It is a happy number.

It is a super-2 number, since 2×2666936029280² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15979865 + ... + 16145895.

It is an arithmetic number, because the mean of its divisors is an integer number (131265355788).

Almost surely, 2^{2666936029280} is an apocalyptic number.

2666936029280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2666936029280 is an abundant number, since it is smaller than the sum of its proper divisors (3633801048544).

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

2666936029280 is a wasteful number, since it uses less digits than its factorization.

2666936029280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266439 (or 266431 counting only the distinct ones).

The product of its (nonzero) digits is 20155392, while the sum is 59.

The spelling of 2666936029280 in words is "two trillion, six hundred sixty-six billion, nine hundred thirty-six million, twenty-nine thousand, two hundred eighty".