1400332313440 has 48 divisors (see below), whose sum is σ = 3309002761680. Its totient is φ = 560011415040.

The previous prime is 1400332313431. The next prime is 1400332313447. The reversal of 1400332313440 is 443132330041.

It is a junction number, because it is equal to n+sod(n) for n = 1400332313399 and 1400332313408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400332313447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207630 + ... + 1686349.

It is an arithmetic number, because the mean of its divisors is an integer number (68937557535).

Almost surely, 2^{1400332313440} is an apocalyptic number.

1400332313440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400332313440 is an abundant number, since it is smaller than the sum of its proper divisors (1908670448240).

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

1400332313440 is a wasteful number, since it uses less digits than its factorization.

1400332313440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1898615 (or 1898607 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 1400332313440 its reverse (443132330041), we get a palindrome (1843464643481).

The spelling of 1400332313440 in words is "one trillion, four hundred billion, three hundred thirty-two million, three hundred thirteen thousand, four hundred forty".