5440456420 has 48 divisors (see below), whose sum is σ = 13086718848. Its totient is φ = 1861067520.

The previous prime is 5440456403. The next prime is 5440456451. The reversal of 5440456420 is 246540445.

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, 18160 + ... + 105880.

It is an arithmetic number, because the mean of its divisors is an integer number (272639976).

Almost surely, 2^5440456420 is an apocalyptic number.

It is an amenable number.

5440456420 is an abundant number, since it is smaller than the sum of its proper divisors (7646262428).

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

5440456420 is a wasteful number, since it uses less digits than its factorization.

5440456420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88180 (or 88178 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 34.

The square root of 5440456420 is about 73759.4496996825. The cubic root of 5440456420 is about 1758.7810537867.

Adding to 5440456420 its reverse (246540445), we get a palindrome (5686996865).

The spelling of 5440456420 in words is "five billion, four hundred forty million, four hundred fifty-six thousand, four hundred twenty".