2666462544 has 40 divisors (see below), whose sum is σ = 7653736320. Its totient is φ = 888820704.

The previous prime is 2666462543. The next prime is 2666462569. The reversal of 2666462544 is 4452646662.

It is a super-2 number, since 2×2666462544² = 14220044997109903872, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2666462544.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666462543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3085752 + ... + 3086615.

It is an arithmetic number, because the mean of its divisors is an integer number (191343408).

Almost surely, 2^2666462544 is an apocalyptic number.

2666462544 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2666462544 is an abundant number, since it is smaller than the sum of its proper divisors (4987273776).

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

2666462544 is a wasteful number, since it uses less digits than its factorization.

2666462544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6172384 (or 6172372 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The square root of 2666462544 is about 51637.8015023878. The cubic root of 2666462544 is about 1386.6871651104.

The spelling of 2666462544 in words is "two billion, six hundred sixty-six million, four hundred sixty-two thousand, five hundred forty-four".