103144012402440 has 256 divisors, whose sum is σ = 310990250188800. Its totient is φ = 27367002584064.

The previous prime is 103144012402429. The next prime is 103144012402463. The reversal of 103144012402440 is 44204210441301.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 103144012402398 and 103144012402407.

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 63 ways as a sum of consecutive naturals, for example, 66160366381 + ... + 66160367939.

It is an arithmetic number, because the mean of its divisors is an integer number (1214805664800).

Almost surely, 2^{103144012402440} is an apocalyptic number.

103144012402440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103144012402440 is an abundant number, since it is smaller than the sum of its proper divisors (207846237786360).

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

103144012402440 is a wasteful number, since it uses less digits than its factorization.

103144012402440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4436 (or 4432 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 103144012402440 its reverse (44204210441301), we get a palindrome (147348222843741).

The spelling of 103144012402440 in words is "one hundred three trillion, one hundred forty-four billion, twelve million, four hundred two thousand, four hundred forty".