1420240415653 has 4 divisors (see below), whose sum is σ = 1424866606240. Its totient is φ = 1415614225068.

The previous prime is 1420240415639. The next prime is 1420240415681. The reversal of 1420240415653 is 3565140420241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1420240415653 - 2²⁵ = 1420206861221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420240415053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2313094833 + ... + 2313095446.

It is an arithmetic number, because the mean of its divisors is an integer number (356216651560).

Almost surely, 2^{1420240415653} is an apocalyptic number.

It is an amenable number.

1420240415653 is a deficient number, since it is larger than the sum of its proper divisors (4626190587).

1420240415653 is an equidigital number, since it uses as much as digits as its factorization.

1420240415653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4626190586.

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 1420240415653 its reverse (3565140420241), we get a palindrome (4985380835894).

The spelling of 1420240415653 in words is "one trillion, four hundred twenty billion, two hundred forty million, four hundred fifteen thousand, six hundred fifty-three".