240415515440 has 20 divisors (see below), whose sum is σ = 558966073584. Its totient is φ = 96166206144.

The previous prime is 240415515437. The next prime is 240415515443. The reversal of 240415515440 is 44515514042.

It is an interprime number because it is at equal distance from previous prime (240415515437) and next prime (240415515443).

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 240415515440.

It is not an unprimeable number, because it can be changed into a prime (240415515443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502596892 + ... + 1502597051.

Almost surely, 2^240415515440 is an apocalyptic number.

240415515440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240415515440 is an abundant number, since it is smaller than the sum of its proper divisors (318550558144).

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

240415515440 is a wasteful number, since it uses less digits than its factorization.

240415515440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005193956 (or 3005193950 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The spelling of 240415515440 in words is "two hundred forty billion, four hundred fifteen million, five hundred fifteen thousand, four hundred forty".