4398263993044 has 24 divisors (see below), whose sum is σ = 7931967546888. Its totient is φ = 2132393258880.

The previous prime is 4398263993033. The next prime is 4398263993047. The reversal of 4398263993044 is 4403993628934.

It can be written as a sum of positive squares in 4 ways, for example, as 1967814172944 + 2430449820100 = 1402788^2 + 1558990^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4398263993047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50669947 + ... + 50756674.

It is an arithmetic number, because the mean of its divisors is an integer number (330498647787).

Almost surely, 2^{4398263993044} is an apocalyptic number.

It is an amenable number.

4398263993044 is a deficient number, since it is larger than the sum of its proper divisors (3533703553844).

4398263993044 is a wasteful number, since it uses less digits than its factorization.

4398263993044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101426955 (or 101426953 counting only the distinct ones).

The product of its (nonzero) digits is 120932352, while the sum is 64.

The spelling of 4398263993044 in words is "four trillion, three hundred ninety-eight billion, two hundred sixty-three million, nine hundred ninety-three thousand, forty-four".