1440340130404 has 12 divisors (see below), whose sum is σ = 2880680260864. Its totient is φ = 617288627304.

The previous prime is 1440340130309. The next prime is 1440340130407. The reversal of 1440340130404 is 4040310430441.

It is a happy number.

1440340130404 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 51440718943 = 1440340130404 / (1 + 4 + 4 + 0 + 3 + 4 + 0 + 1 + 3 + 0 + 4 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (1440340130407) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 25720359444 + ... + 25720359499.

Almost surely, 2^{1440340130404} is an apocalyptic number.

1440340130404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1440340130404 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1440340130404 is a wasteful number, since it uses less digits than its factorization.

1440340130404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51440718954 (or 51440718952 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1440340130404 its reverse (4040310430441), we get a palindrome (5480650560845).

The spelling of 1440340130404 in words is "one trillion, four hundred forty billion, three hundred forty million, one hundred thirty thousand, four hundred four".