1420540455 has 16 divisors (see below), whose sum is σ = 2321224704. Its totient is φ = 741501600.

The previous prime is 1420540447. The next prime is 1420540487. The reversal of 1420540455 is 5540450241.

It is not a de Polignac number, because 1420540455 - 2³ = 1420540447 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1006771 + ... + 1008180.

It is an arithmetic number, because the mean of its divisors is an integer number (145076544).

Almost surely, 2^1420540455 is an apocalyptic number.

1420540455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420540455 is a deficient number, since it is larger than the sum of its proper divisors (900684249).

1420540455 is a wasteful number, since it uses less digits than its factorization.

1420540455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2015006.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 1420540455 is about 37690.0577739011. The cubic root of 1420540455 is about 1124.1334442929.

Adding to 1420540455 its reverse (5540450241), we get a palindrome (6960990696).

The spelling of 1420540455 in words is "one billion, four hundred twenty million, five hundred forty thousand, four hundred fifty-five".