240140325540 has 48 divisors (see below), whose sum is σ = 672459113088. Its totient is φ = 64031115264.

The previous prime is 240140325539. The next prime is 240140325541. The reversal of 240140325540 is 45523041042.

It is an interprime number because it is at equal distance from previous prime (240140325539) and next prime (240140325541).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 240140325498 and 240140325507.

It is not an unprimeable number, because it can be changed into a prime (240140325541) 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, 434169 + ... + 817791.

It is an arithmetic number, because the mean of its divisors is an integer number (14009564856).

Almost surely, 2^240140325540 is an apocalyptic number.

240140325540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240140325540 is an abundant number, since it is smaller than the sum of its proper divisors (432318787548).

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

240140325540 is a wasteful number, since it uses less digits than its factorization.

240140325540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394068 (or 394066 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 240140325540 its reverse (45523041042), we get a palindrome (285663366582).

The spelling of 240140325540 in words is "two hundred forty billion, one hundred forty million, three hundred twenty-five thousand, five hundred forty".