1420905724326 has 128 divisors (see below), whose sum is σ = 3473804206080. Its totient is φ = 426944044800.

The previous prime is 1420905724309. The next prime is 1420905724349. The reversal of 1420905724326 is 6234275090241.

1420905724326 is a `hidden beast` number, since 1 + 4 + 209 + 0 + 5 + 7 + 2 + 432 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35491096 + ... + 35531108.

It is an arithmetic number, because the mean of its divisors is an integer number (27139095360).

Almost surely, 2^{1420905724326} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420905724326, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1736902103040).

1420905724326 is an abundant number, since it is smaller than the sum of its proper divisors (2052898481754).

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

1420905724326 is a wasteful number, since it uses less digits than its factorization.

1420905724326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40539 (or 40533 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 1420905724326 in words is "one trillion, four hundred twenty billion, nine hundred five million, seven hundred twenty-four thousand, three hundred twenty-six".