1420464104436 has 144 divisors (see below), whose sum is σ = 3638043279360. Its totient is φ = 431102505600.

The previous prime is 1420464104419. The next prime is 1420464104443. The reversal of 1420464104436 is 6344014640241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 1420464104394 and 1420464104403.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 184400161 + ... + 184407863.

It is an arithmetic number, because the mean of its divisors is an integer number (25264189440).

Almost surely, 2^{1420464104436} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420464104436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1819021639680).

1420464104436 is an abundant number, since it is smaller than the sum of its proper divisors (2217579174924).

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

1420464104436 is a wasteful number, since it uses less digits than its factorization.

1420464104436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966 (or 8951 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 39.

Adding to 1420464104436 its reverse (6344014640241), we get a palindrome (7764478744677).

The spelling of 1420464104436 in words is "one trillion, four hundred twenty billion, four hundred sixty-four million, one hundred four thousand, four hundred thirty-six".