5440013145 has 48 divisors (see below), whose sum is σ = 11124052992. Its totient is φ = 2406637440.

The previous prime is 5440013099. The next prime is 5440013147. The reversal of 5440013145 is 5413100445.

It is a happy number.

It is not a de Polignac number, because 5440013145 - 2⁶ = 5440013081 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5440013147) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 268782 + ... + 288311.

It is an arithmetic number, because the mean of its divisors is an integer number (231751104).

Almost surely, 2^5440013145 is an apocalyptic number.

It is an amenable number.

5440013145 is an abundant number, since it is smaller than the sum of its proper divisors (5684039847).

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

5440013145 is a wasteful number, since it uses less digits than its factorization.

5440013145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557142 (or 557139 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 5440013145 is about 73756.4447692539. Note that the first 3 decimals coincide. The cubic root of 5440013145 is about 1758.7332854387.

The spelling of 5440013145 in words is "five billion, four hundred forty million, thirteen thousand, one hundred forty-five".