240645001515 has 32 divisors (see below), whose sum is σ = 387083707200. Its totient is φ = 127661176320.

The previous prime is 240645001489. The next prime is 240645001537. The reversal of 240645001515 is 515100546042.

It is not a de Polignac number, because 240645001515 - 2¹¹ = 240644999467 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3611521 + ... + 3677549.

It is an arithmetic number, because the mean of its divisors is an integer number (12096365850).

Almost surely, 2^240645001515 is an apocalyptic number.

240645001515 is a deficient number, since it is larger than the sum of its proper divisors (146438705685).

240645001515 is a wasteful number, since it uses less digits than its factorization.

240645001515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67327.

The product of its (nonzero) digits is 24000, while the sum is 33.

Adding to 240645001515 its reverse (515100546042), we get a palindrome (755745547557).

The spelling of 240645001515 in words is "two hundred forty billion, six hundred forty-five million, one thousand, five hundred fifteen".