44400040244420 has 24 divisors (see below), whose sum is σ = 106560096586944. Its totient is φ = 15222870940896.

The previous prime is 44400040244387. The next prime is 44400040244453. The reversal of 44400040244420 is 2444204000444.

It is an interprime number because it is at equal distance from previous prime (44400040244387) and next prime (44400040244453).

It is a super-2 number, since 2×44400040244420² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 158571572162 + ... + 158571572441.

It is an arithmetic number, because the mean of its divisors is an integer number (4440004024456).

Almost surely, 2^{44400040244420} is an apocalyptic number.

It is an amenable number.

44400040244420 is an abundant number, since it is smaller than the sum of its proper divisors (62160056342524).

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

44400040244420 is a wasteful number, since it uses less digits than its factorization.

44400040244420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317143144619 (or 317143144617 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 44400040244420 its reverse (2444204000444), we get a palindrome (46844244244864).

The spelling of 44400040244420 in words is "forty-four trillion, four hundred billion, forty million, two hundred forty-four thousand, four hundred twenty".