1420243336456 has 64 divisors (see below), whose sum is σ = 3141989498880. Its totient is φ = 588959000640.

The previous prime is 1420243336423. The next prime is 1420243336481. The reversal of 1420243336456 is 6546333420241.

It is a super-2 number, since 2×1420243336456² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13319305 + ... + 13425511.

It is an arithmetic number, because the mean of its divisors is an integer number (49093585920).

Almost surely, 2^{1420243336456} is an apocalyptic number.

It is an amenable number.

1420243336456 is an abundant number, since it is smaller than the sum of its proper divisors (1721746162424).

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

1420243336456 is a wasteful number, since it uses less digits than its factorization.

1420243336456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113954 (or 113950 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 43.

Adding to 1420243336456 its reverse (6546333420241), we get a palindrome (7966576756697).

The spelling of 1420243336456 in words is "one trillion, four hundred twenty billion, two hundred forty-three million, three hundred thirty-six thousand, four hundred fifty-six".