440522148378 has 48 divisors (see below), whose sum is σ = 991863542880. Its totient is φ = 129651991392.

The previous prime is 440522148377. The next prime is 440522148383. The reversal of 440522148378 is 873841225044.

It is not an unprimeable number, because it can be changed into a prime (440522148377) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5296848 + ... + 5379371.

It is an arithmetic number, because the mean of its divisors is an integer number (20663823810).

Almost surely, 2^440522148378 is an apocalyptic number.

440522148378 is an abundant number, since it is smaller than the sum of its proper divisors (551341394502).

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

440522148378 is a wasteful number, since it uses less digits than its factorization.

440522148378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10676283 (or 10676260 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 48.

The spelling of 440522148378 in words is "four hundred forty billion, five hundred twenty-two million, one hundred forty-eight thousand, three hundred seventy-eight".