240651430040 has 64 divisors (see below), whose sum is σ = 618957331200. Its totient is φ = 82490479488.

The previous prime is 240651430039. The next prime is 240651430043. The reversal of 240651430040 is 40034156042.

It is a super-2 number, since 2×240651430040² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240651429985 and 240651430012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240651430043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1178651 + ... + 1367669.

It is an arithmetic number, because the mean of its divisors is an integer number (9671208300).

Almost surely, 2^240651430040 is an apocalyptic number.

240651430040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240651430040 is an abundant number, since it is smaller than the sum of its proper divisors (378305901160).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240651430040 is a wasteful number, since it uses less digits than its factorization.

240651430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193584 (or 193580 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 240651430040 its reverse (40034156042), we get a palindrome (280685586082).

The spelling of 240651430040 in words is "two hundred forty billion, six hundred fifty-one million, four hundred thirty thousand, forty".