244400544019 has 4 divisors (see below), whose sum is σ = 244403399344. Its totient is φ = 244397688696.

The previous prime is 244400543977. The next prime is 244400544061. The reversal of 244400544019 is 910445004442.

244400544019 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910445004442 = 2 ⋅455222502221.

It is an interprime number because it is at equal distance from previous prime (244400543977) and next prime (244400544061).

It is a cyclic number.

It is not a de Polignac number, because 244400544019 - 2¹⁷ = 244400412947 is a prime.

It is a super-2 number, since 2×244400544019² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244400541019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1295172 + ... + 1471825.

It is an arithmetic number, because the mean of its divisors is an integer number (61100849836).

Almost surely, 2^244400544019 is an apocalyptic number.

244400544019 is a deficient number, since it is larger than the sum of its proper divisors (2855325).

244400544019 is an equidigital number, since it uses as much as digits as its factorization.

244400544019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2855324.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 244400544019 in words is "two hundred forty-four billion, four hundred million, five hundred forty-four thousand, nineteen".