440023225331052 has 144 divisors (see below), whose sum is σ = 1255927284218880. Its totient is φ = 128671800163200.

The previous prime is 440023225331051. The next prime is 440023225331071. The reversal of 440023225331052 is 250133522320044.

440023225331052 is a `hidden beast` number, since 4 + 40 + 0 + 2 + 3 + 2 + 253 + 310 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 440023225330998 and 440023225331016.

It is not an unprimeable number, because it can be changed into a prime (440023225331051) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10426227 + ... + 31444437.

It is an arithmetic number, because the mean of its divisors is an integer number (8721717251520).

Almost surely, 2^{440023225331052} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440023225331052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627963642109440).

440023225331052 is an abundant number, since it is smaller than the sum of its proper divisors (815904058887828).

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

440023225331052 is a wasteful number, since it uses less digits than its factorization.

440023225331052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21020084 (or 21020079 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 440023225331052 its reverse (250133522320044), we get a palindrome (690156747651096).

The spelling of 440023225331052 in words is "four hundred forty trillion, twenty-three billion, two hundred twenty-five million, three hundred thirty-one thousand, fifty-two".