2159470456 has 64 divisors (see below), whose sum is σ = 4783615200. Its totient is φ = 900979200.

The previous prime is 2159470421. The next prime is 2159470477. The reversal of 2159470456 is 6540749512.

2159470456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 201850 + ... + 212278.

Almost surely, 2^2159470456 is an apocalyptic number.

2159470456 is a gapful number since it is divisible by the number (26) 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 2159470456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2391807600).

2159470456 is an abundant number, since it is smaller than the sum of its proper divisors (2624144744).

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

2159470456 is a wasteful number, since it uses less digits than its factorization.

2159470456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10640 (or 10636 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2159470456 is about 46470.1028189093. The cubic root of 2159470456 is about 1292.5551694629. Note that the first 3 decimals are identical.

The spelling of 2159470456 in words is "two billion, one hundred fifty-nine million, four hundred seventy thousand, four hundred fifty-six".