240354434310452 has 72 divisors (see below), whose sum is σ = 533804003990208. Its totient is φ = 93639344332800.

The previous prime is 240354434310443. The next prime is 240354434310491. The reversal of 240354434310452 is 254013434453042.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35527313 + ... + 41748039.

It is an arithmetic number, because the mean of its divisors is an integer number (7413944499864).

Almost surely, 2^{240354434310452} is an apocalyptic number.

240354434310452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

240354434310452 is an abundant number, since it is smaller than the sum of its proper divisors (293449569679756).

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

240354434310452 is a wasteful number, since it uses less digits than its factorization.

240354434310452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6238677 (or 6238668 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 44.

Adding to 240354434310452 its reverse (254013434453042), we get a palindrome (494367868763494).

The spelling of 240354434310452 in words is "two hundred forty trillion, three hundred fifty-four billion, four hundred thirty-four million, three hundred ten thousand, four hundred fifty-two".