1245533324440 has 32 divisors (see below), whose sum is σ = 2822905831680. Its totient is φ = 494576733952.

The previous prime is 1245533324419. The next prime is 1245533324501. The reversal of 1245533324440 is 444233355421.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 1245533324393 and 1245533324402.

It is a congruent number.

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, 113638072 + ... + 113649031.

It is an arithmetic number, because the mean of its divisors is an integer number (88215807240).

Almost surely, 2^{1245533324440} is an apocalyptic number.

1245533324440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245533324440 is an abundant number, since it is smaller than the sum of its proper divisors (1577372507240).

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

1245533324440 is a wasteful number, since it uses less digits than its factorization.

1245533324440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227287251 (or 227287247 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

Adding to 1245533324440 its reverse (444233355421), we get a palindrome (1689766679861).

The spelling of 1245533324440 in words is "one trillion, two hundred forty-five billion, five hundred thirty-three million, three hundred twenty-four thousand, four hundred forty".