240520805448 has 128 divisors (see below), whose sum is σ = 754165278720. Its totient is φ = 62098767360.

The previous prime is 240520805431. The next prime is 240520805477. The reversal of 240520805448 is 844508025042.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81061 + ... + 698292.

It is an arithmetic number, because the mean of its divisors is an integer number (5891916240).

Almost surely, 2^240520805448 is an apocalyptic number.

240520805448 is a gapful number since it is divisible by the number (28) 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 240520805448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (377082639360).

240520805448 is an abundant number, since it is smaller than the sum of its proper divisors (513644473272).

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

240520805448 is a wasteful number, since it uses less digits than its factorization.

240520805448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779547 (or 779543 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 42.

The spelling of 240520805448 in words is "two hundred forty billion, five hundred twenty million, eight hundred five thousand, four hundred forty-eight".