1240444501450 has 144 divisors (see below), whose sum is σ = 2914544082240. Its totient is φ = 384469747200.

The previous prime is 1240444501441. The next prime is 1240444501451. The reversal of 1240444501450 is 541054440421.

It is a super-2 number, since 2×1240444501450² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1240444501451) 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 71 ways as a sum of consecutive naturals, for example, 7498834 + ... + 7662466.

It is an arithmetic number, because the mean of its divisors is an integer number (20239889460).

Almost surely, 2^{1240444501450} is an apocalyptic number.

1240444501450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1240444501450 is an abundant number, since it is smaller than the sum of its proper divisors (1674099580790).

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

1240444501450 is a wasteful number, since it uses less digits than its factorization.

1240444501450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163853 (or 163837 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

Adding to 1240444501450 its reverse (541054440421), we get a palindrome (1781498941871).

The spelling of 1240444501450 in words is "one trillion, two hundred forty billion, four hundred forty-four million, five hundred one thousand, four hundred fifty".