2440000253515 has 8 divisors (see below), whose sum is σ = 3194182150128. Its totient is φ = 1774545638880.

The previous prime is 2440000253501. The next prime is 2440000253531. The reversal of 2440000253515 is 5153520000442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2440000253515 - 2³¹ = 2437852769867 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22181820432 + ... + 22181820541.

It is an arithmetic number, because the mean of its divisors is an integer number (399272768766).

Almost surely, 2^{2440000253515} is an apocalyptic number.

2440000253515 is a deficient number, since it is larger than the sum of its proper divisors (754181896613).

2440000253515 is a wasteful number, since it uses less digits than its factorization.

2440000253515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44363640989.

The product of its (nonzero) digits is 24000, while the sum is 31.

Adding to 2440000253515 its reverse (5153520000442), we get a palindrome (7593520253957).

The spelling of 2440000253515 in words is "two trillion, four hundred forty billion, two hundred fifty-three thousand, five hundred fifteen".