440120343124 has 48 divisors (see below), whose sum is σ = 993375089280. Its totient is φ = 165562508160.

The previous prime is 440120343119. The next prime is 440120343127. The reversal of 440120343124 is 421343021044.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 440120343092 and 440120343101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440120343127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24628347 + ... + 24646210.

It is an arithmetic number, because the mean of its divisors is an integer number (20695314360).

Almost surely, 2^440120343124 is an apocalyptic number.

440120343124 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

440120343124 is an abundant number, since it is smaller than the sum of its proper divisors (553254746156).

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

440120343124 is a wasteful number, since it uses less digits than its factorization.

440120343124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49274608 (or 49274606 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 440120343124 its reverse (421343021044), we get a palindrome (861463364168).

The spelling of 440120343124 in words is "four hundred forty billion, one hundred twenty million, three hundred forty-three thousand, one hundred twenty-four".