1234344242440 has 16 divisors (see below), whose sum is σ = 2777274545580. Its totient is φ = 493737696960.

The previous prime is 1234344242431. The next prime is 1234344242441. The reversal of 1234344242440 is 442424434321.

It can be written as a sum of positive squares in 2 ways, for example, as 1194224953636 + 40119288804 = 1092806^2 + 200298^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1234344242440.

It is not an unprimeable number, because it can be changed into a prime (1234344242441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15429302991 + ... + 15429303070.

Almost surely, 2^{1234344242440} is an apocalyptic number.

1234344242440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1234344242440 is an abundant number, since it is smaller than the sum of its proper divisors (1542930303140).

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

1234344242440 is a wasteful number, since it uses less digits than its factorization.

1234344242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30858606072 (or 30858606068 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 37.

Adding to 1234344242440 its reverse (442424434321), we get a palindrome (1676768676761).

The spelling of 1234344242440 in words is "one trillion, two hundred thirty-four billion, three hundred forty-four million, two hundred forty-two thousand, four hundred forty".