244400040 has 96 divisors (see below), whose sum is σ = 836128800. Its totient is φ = 61741440.

The previous prime is 244400033. The next prime is 244400113. The reversal of 244400040 is 40004442.

It is a happy number.

244400040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×244400040⁴ (a number of 35 digits) contains 4444 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 244399986 and 244400022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11026 + ... + 24705.

It is an arithmetic number, because the mean of its divisors is an integer number (8709675).

Almost surely, 2^244400040 is an apocalyptic number.

244400040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244400040 is an abundant number, since it is smaller than the sum of its proper divisors (591728760).

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

244400040 is a wasteful number, since it uses less digits than its factorization.

244400040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35767 (or 35760 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 244400040 is about 15633.2990760108. The cubic root of 244400040 is about 625.2212891072.

Adding to 244400040 its reverse (40004442), we get a palindrome (284404482).

The spelling of 244400040 in words is "two hundred forty-four million, four hundred thousand, forty".