52378100444 has 12 divisors (see below), whose sum is σ = 97053539184. Its totient is φ = 24648517824.

The previous prime is 52378100429. The next prime is 52378100447. The reversal of 52378100444 is 44400187325.

It is a super-2 number, since 2×52378100444² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52378100398 and 52378100407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52378100447) 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, 385133024 + ... + 385133159.

It is an arithmetic number, because the mean of its divisors is an integer number (8087794932).

Almost surely, 2^52378100444 is an apocalyptic number.

It is an amenable number.

52378100444 is a deficient number, since it is larger than the sum of its proper divisors (44675438740).

52378100444 is a wasteful number, since it uses less digits than its factorization.

52378100444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 770266204 (or 770266202 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 38.

Adding to 52378100444 its reverse (44400187325), we get a palindrome (96778287769).

The spelling of 52378100444 in words is "fifty-two billion, three hundred seventy-eight million, one hundred thousand, four hundred forty-four".