440123076480 has 128 divisors (see below), whose sum is σ = 1406717153280. Its totient is φ = 117046167552.

The previous prime is 440123076479. The next prime is 440123076487. The reversal of 440123076480 is 84670321044.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (440123076487) 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, 392337 + ... + 1016943.

It is an arithmetic number, because the mean of its divisors is an integer number (10989977760).

Almost surely, 2^440123076480 is an apocalyptic number.

440123076480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 440123076480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703358576640).

440123076480 is an abundant number, since it is smaller than the sum of its proper divisors (966594076800).

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

440123076480 is a wasteful number, since it uses less digits than its factorization.

440123076480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624996 (or 624984 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 440123076480 in words is "four hundred forty billion, one hundred twenty-three million, seventy-six thousand, four hundred eighty".