5442661878 has 16 divisors (see below), whose sum is σ = 11236463616. Its totient is φ = 1755697320.

The previous prime is 5442661871. The next prime is 5442661907. The reversal of 5442661878 is 8781662445.

It is a self number, because there is not a number n which added to its sum of digits gives 5442661878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5442661871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14630626 + ... + 14630997.

It is an arithmetic number, because the mean of its divisors is an integer number (702278976).

Almost surely, 2^5442661878 is an apocalyptic number.

5442661878 is an abundant number, since it is smaller than the sum of its proper divisors (5793801738).

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

5442661878 is a wasteful number, since it uses less digits than its factorization.

5442661878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29261659.

The product of its digits is 2580480, while the sum is 51.

The square root of 5442661878 is about 73774.3985268603. The cubic root of 5442661878 is about 1759.0186805235.

The spelling of 5442661878 in words is "five billion, four hundred forty-two million, six hundred sixty-one thousand, eight hundred seventy-eight".