240144510213 has 16 divisors (see below), whose sum is σ = 356104371840. Its totient is φ = 159945712992.

The previous prime is 240144510187. The next prime is 240144510223. The reversal of 240144510213 is 312015441042.

240144510213 is a `hidden beast` number, since 2 + 4 + 0 + 1 + 445 + 1 + 0 + 213 = 666.

It is not a de Polignac number, because 240144510213 - 2²¹ = 240142413061 is a prime.

It is a super-2 number, since 2×240144510213² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240144510223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4154856 + ... + 4212257.

It is an arithmetic number, because the mean of its divisors is an integer number (22256523240).

Almost surely, 2^240144510213 is an apocalyptic number.

It is an amenable number.

240144510213 is a deficient number, since it is larger than the sum of its proper divisors (115959861627).

240144510213 is a wasteful number, since it uses less digits than its factorization.

240144510213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8368185 (or 8368179 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 240144510213 its reverse (312015441042), we get a palindrome (552159951255).

The spelling of 240144510213 in words is "two hundred forty billion, one hundred forty-four million, five hundred ten thousand, two hundred thirteen".