440923778152 has 32 divisors (see below), whose sum is σ = 971265667680. Its totient is φ = 185002983360.

The previous prime is 440923778149. The next prime is 440923778233. The reversal of 440923778152 is 251877329044.

It is a super-2 number, since 2×440923778152² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a self number, because there is not a number n which added to its sum of digits gives 440923778152.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 192710298 + ... + 192712585.

It is an arithmetic number, because the mean of its divisors is an integer number (30352052115).

Almost surely, 2^440923778152 is an apocalyptic number.

It is an amenable number.

440923778152 is an abundant number, since it is smaller than the sum of its proper divisors (530341889528).

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

440923778152 is a wasteful number, since it uses less digits than its factorization.

440923778152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385422913 (or 385422909 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 52.

The spelling of 440923778152 in words is "four hundred forty billion, nine hundred twenty-three million, seven hundred seventy-eight thousand, one hundred fifty-two".