5440638270 has 32 divisors (see below), whose sum is σ = 13625252352. Its totient is φ = 1387756832.

The previous prime is 5440638257. The next prime is 5440638271. The reversal of 5440638270 is 728360445.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440638271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3941802 + ... + 3943181.

It is an arithmetic number, because the mean of its divisors is an integer number (425789136).

Almost surely, 2^5440638270 is an apocalyptic number.

5440638270 is an abundant number, since it is smaller than the sum of its proper divisors (8184614082).

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

5440638270 is a wasteful number, since it uses less digits than its factorization.

5440638270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7885016.

The product of its (nonzero) digits is 161280, while the sum is 39.

The square root of 5440638270 is about 73760.6824127868. The cubic root of 5440638270 is about 1758.8006496164.

The spelling of 5440638270 in words is "five billion, four hundred forty million, six hundred thirty-eight thousand, two hundred seventy".