5441540666 has 8 divisors (see below), whose sum is σ = 8165662164. Its totient is φ = 2719653280.

The previous prime is 5441540653. The next prime is 5441540681. The reversal of 5441540666 is 6660451445.

It can be written as a sum of positive squares in 2 ways, for example, as 5428005625 + 13535041 = 73675^2 + 3679^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×5441540666² = 59220729639463447112, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 552425 + ... + 562188.

Almost surely, 2^5441540666 is an apocalyptic number.

5441540666 is a deficient number, since it is larger than the sum of its proper divisors (2724121498).

5441540666 is a wasteful number, since it uses less digits than its factorization.

5441540666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117056.

The product of its (nonzero) digits is 345600, while the sum is 41.

The square root of 5441540666 is about 73766.7992121117. The cubic root of 5441540666 is about 1758.8978837307.

The spelling of 5441540666 in words is "five billion, four hundred forty-one million, five hundred forty thousand, six hundred sixty-six".