1420261402443 has 64 divisors (see below), whose sum is σ = 2175538176000. Its totient is φ = 816432906240.

The previous prime is 1420261402421. The next prime is 1420261402453. The reversal of 1420261402443 is 3442041620241.

It is not a de Polignac number, because 1420261402443 - 2⁶ = 1420261402379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420261402453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 56845728 + ... + 56870706.

It is an arithmetic number, because the mean of its divisors is an integer number (33992784000).

Almost surely, 2^{1420261402443} is an apocalyptic number.

1420261402443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1420261402443 is a deficient number, since it is larger than the sum of its proper divisors (755276773557).

1420261402443 is a wasteful number, since it uses less digits than its factorization.

1420261402443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25652.

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 1420261402443 in words is "one trillion, four hundred twenty billion, two hundred sixty-one million, four hundred two thousand, four hundred forty-three".