1400302143447 has 16 divisors (see below), whose sum is σ = 2050785749760. Its totient is φ = 845949120192.

The previous prime is 1400302143421. The next prime is 1400302143509. The reversal of 1400302143447 is 7443412030041.

It is not a de Polignac number, because 1400302143447 - 2¹⁵ = 1400302110679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400302043447) 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 15 ways as a sum of consecutive naturals, for example, 534057478 + ... + 534060099.

It is an arithmetic number, because the mean of its divisors is an integer number (128174109360).

Almost surely, 2^{1400302143447} is an apocalyptic number.

1400302143447 is a deficient number, since it is larger than the sum of its proper divisors (650483606313).

1400302143447 is a wasteful number, since it uses less digits than its factorization.

1400302143447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068117622.

The product of its (nonzero) digits is 32256, while the sum is 33.

Adding to 1400302143447 its reverse (7443412030041), we get a palindrome (8843714173488).

The spelling of 1400302143447 in words is "one trillion, four hundred billion, three hundred two million, one hundred forty-three thousand, four hundred forty-seven".