4156296820 has 48 divisors (see below), whose sum is σ = 9723767760. Its totient is φ = 1481711616.

The previous prime is 4156296803. The next prime is 4156296853. The reversal of 4156296820 is 286926514.

It can be written as a sum of positive squares in 8 ways, for example, as 664195984 + 3492100836 = 25772^2 + 59094^2 .

It is a super-2 number, since 2×4156296820² = 34549606511884224800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 268077 + ... + 283156.

It is an arithmetic number, because the mean of its divisors is an integer number (202578495).

Almost surely, 2^4156296820 is an apocalyptic number.

It is an amenable number.

4156296820 is an abundant number, since it is smaller than the sum of its proper divisors (5567470940).

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

4156296820 is a wasteful number, since it uses less digits than its factorization.

4156296820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551284 (or 551282 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 4156296820 is about 64469.3479104605. The cubic root of 4156296820 is about 1607.8129351170.

The spelling of 4156296820 in words is "four billion, one hundred fifty-six million, two hundred ninety-six thousand, eight hundred twenty".