1400403011440 has 40 divisors (see below), whose sum is σ = 3258187400160. Its totient is φ = 559774039296.

The previous prime is 1400403011431. The next prime is 1400403011459. The reversal of 1400403011440 is 441103040041.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1400403011440² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 5932975 + ... + 6164494.

It is an arithmetic number, because the mean of its divisors is an integer number (81454685004).

Almost surely, 2^{1400403011440} is an apocalyptic number.

1400403011440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1400403011440 is an abundant number, since it is smaller than the sum of its proper divisors (1857784388720).

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

1400403011440 is a wasteful number, since it uses less digits than its factorization.

1400403011440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12098929 (or 12098923 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 1400403011440 its reverse (441103040041), we get a palindrome (1841506051481).

The spelling of 1400403011440 in words is "one trillion, four hundred billion, four hundred three million, eleven thousand, four hundred forty".