5440666146 has 32 divisors (see below), whose sum is σ = 11382864768. Its totient is φ = 1730361600.

The previous prime is 5440666139. The next prime is 5440666151. The reversal of 5440666146 is 6416660445.

It is a super-2 number, since 2×5440666146² = 59201696224460986632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5440666098 and 5440666107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6180 + ... + 104496.

It is an arithmetic number, because the mean of its divisors is an integer number (355714524).

Almost surely, 2^5440666146 is an apocalyptic number.

5440666146 is an abundant number, since it is smaller than the sum of its proper divisors (5942198622).

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

5440666146 is a wasteful number, since it uses less digits than its factorization.

5440666146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98746.

The product of its (nonzero) digits is 414720, while the sum is 42.

The square root of 5440666146 is about 73760.8713750048. The cubic root of 5440666146 is about 1758.8036534455.

The spelling of 5440666146 in words is "five billion, four hundred forty million, six hundred sixty-six thousand, one hundred forty-six".