1420026456 has 128 divisors (see below), whose sum is σ = 3875014080. Its totient is φ = 431947776.

The previous prime is 1420026449. The next prime is 1420026467. The reversal of 1420026456 is 6546200241.

It is a super-3 number, since 3×1420026456³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

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, 2097190 + ... + 2097866.

Almost surely, 2^1420026456 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 1420026456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1937507040).

1420026456 is an abundant number, since it is smaller than the sum of its proper divisors (2454987624).

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

1420026456 is a wasteful number, since it uses less digits than its factorization.

1420026456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 1420026456 is about 37683.2383958704. The cubic root of 1420026456 is about 1123.9978449235.

Adding to 1420026456 its reverse (6546200241), we get a palindrome (7966226697).

The spelling of 1420026456 in words is "one billion, four hundred twenty million, twenty-six thousand, four hundred fifty-six".