1044340242440 has 32 divisors (see below), whose sum is σ = 2563380596160. Its totient is φ = 379760088000.

The previous prime is 1044340242437. The next prime is 1044340242457. The reversal of 1044340242440 is 442420434401.

It is a junction number, because it is equal to n+sod(n) for n = 1044340242397 and 1044340242406.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1186749836 + ... + 1186750715.

It is an arithmetic number, because the mean of its divisors is an integer number (80105643630).

Almost surely, 2^{1044340242440} is an apocalyptic number.

1044340242440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1044340242440 is an abundant number, since it is smaller than the sum of its proper divisors (1519040353720).

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

1044340242440 is a wasteful number, since it uses less digits than its factorization.

1044340242440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2373500573 (or 2373500569 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 1044340242440 its reverse (442420434401), we get a palindrome (1486760676841).

The spelling of 1044340242440 in words is "one trillion, forty-four billion, three hundred forty million, two hundred forty-two thousand, four hundred forty".