240143011015215 has 32 divisors (see below), whose sum is σ = 479038525871616. Its totient is φ = 99799692888960.

The previous prime is 240143011015199. The next prime is 240143011015217. The reversal of 240143011015215 is 512510110341042.

It is not a de Polignac number, because 240143011015215 - 2⁴ = 240143011015199 is a prime.

It is a super-2 number, since 2×240143011015215² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240143011015217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103958012272 + ... + 103958014581.

It is an arithmetic number, because the mean of its divisors is an integer number (14969953933488).

Almost surely, 2^{240143011015215} is an apocalyptic number.

240143011015215 is a deficient number, since it is larger than the sum of its proper divisors (238895514856401).

240143011015215 is a wasteful number, since it uses less digits than its factorization.

240143011015215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207916026879.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 240143011015215 its reverse (512510110341042), we get a palindrome (752653121356257).

The spelling of 240143011015215 in words is "two hundred forty trillion, one hundred forty-three billion, eleven million, fifteen thousand, two hundred fifteen".