5440833781 has 8 divisors (see below), whose sum is σ = 5476089024. Its totient is φ = 5405610720.

The previous prime is 5440833767. The next prime is 5440833809. The reversal of 5440833781 is 1873380445.

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

It is a cyclic number.

It is not a de Polignac number, because 5440833781 - 2⁹ = 5440833269 is a prime.

It is a super-2 number, since 2×5440833781² = 59205344464941511922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440830781) 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, 395881 + ... + 409393.

It is an arithmetic number, because the mean of its divisors is an integer number (684511128).

Almost surely, 2^5440833781 is an apocalyptic number.

It is an amenable number.

5440833781 is a deficient number, since it is larger than the sum of its proper divisors (35255243).

5440833781 is a wasteful number, since it uses less digits than its factorization.

5440833781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16091.

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 5440833781 is about 73762.0077072201. The cubic root of 5440833781 is about 1758.8217170437.

The spelling of 5440833781 in words is "five billion, four hundred forty million, eight hundred thirty-three thousand, seven hundred eighty-one".