1420424431244 has 96 divisors (see below), whose sum is σ = 3131182602240. Its totient is φ = 548742636288.

The previous prime is 1420424431213. The next prime is 1420424431273. The reversal of 1420424431244 is 4421344240241.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 139814237 + ... + 139824395.

It is an arithmetic number, because the mean of its divisors is an integer number (32616485440).

Almost surely, 2^{1420424431244} is an apocalyptic number.

1420424431244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420424431244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1565591301120).

1420424431244 is an abundant number, since it is smaller than the sum of its proper divisors (1710758170996).

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

1420424431244 is a wasteful number, since it uses less digits than its factorization.

1420424431244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19159 (or 19157 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 1420424431244 its reverse (4421344240241), we get a palindrome (5841768671485).

The spelling of 1420424431244 in words is "one trillion, four hundred twenty billion, four hundred twenty-four million, four hundred thirty-one thousand, two hundred forty-four".