2158072470 has 80 divisors (see below), whose sum is σ = 5856293520. Its totient is φ = 570182976.

The previous prime is 2158072453. The next prime is 2158072481. The reversal of 2158072470 is 742708512.

2158072470 is a `hidden beast` number, since 2 + 1 + 580 + 7 + 2 + 4 + 70 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 76069 + ... + 100511.

It is an arithmetic number, because the mean of its divisors is an integer number (73203669).

Almost surely, 2^2158072470 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2158072470, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2928146760).

2158072470 is an abundant number, since it is smaller than the sum of its proper divisors (3698221050).

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

2158072470 is a wasteful number, since it uses less digits than its factorization.

2158072470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24571 (or 24562 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 2158072470 is about 46455.0586050647. The cubic root of 2158072470 is about 1292.2761868546.

The spelling of 2158072470 in words is "two billion, one hundred fifty-eight million, seventy-two thousand, four hundred seventy".