2666439414 has 12 divisors (see below), whose sum is σ = 5777285436. Its totient is φ = 888813132.

The previous prime is 2666439397. The next prime is 2666439421. The reversal of 2666439414 is 4149346662.

It is a self number, because there is not a number n which added to its sum of digits gives 2666439414.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 74067744 + ... + 74067779.

It is an arithmetic number, because the mean of its divisors is an integer number (481440453).

Almost surely, 2^2666439414 is an apocalyptic number.

2666439414 is an abundant number, since it is smaller than the sum of its proper divisors (3110846022).

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

2666439414 is a wasteful number, since it uses less digits than its factorization.

2666439414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148135531 (or 148135528 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 2666439414 is about 51637.5775380681. The cubic root of 2666439414 is about 1386.6831555326.

The spelling of 2666439414 in words is "two billion, six hundred sixty-six million, four hundred thirty-nine thousand, four hundred fourteen".