240250243133 has 12 divisors (see below), whose sum is σ = 251651013084. Its totient is φ = 229315233600.

The previous prime is 240250243127. The next prime is 240250243159. The reversal of 240250243133 is 331342052042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 123079583929 + 117170659204 = 350827^2 + 342302^2 .

It is not a de Polignac number, because 240250243133 - 2⁸ = 240250242877 is a prime.

It is a super-2 number, since 2×240250243133² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 240250243096 and 240250243105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240250233133) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1642178 + ... + 1782483.

It is an arithmetic number, because the mean of its divisors is an integer number (20970917757).

Almost surely, 2^240250243133 is an apocalyptic number.

It is an amenable number.

240250243133 is a deficient number, since it is larger than the sum of its proper divisors (11400769951).

240250243133 is an equidigital number, since it uses as much as digits as its factorization.

240250243133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3424796 (or 3424765 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 240250243133 its reverse (331342052042), we get a palindrome (571592295175).

The spelling of 240250243133 in words is "two hundred forty billion, two hundred fifty million, two hundred forty-three thousand, one hundred thirty-three".