4156947850 has 24 divisors (see below), whose sum is σ = 8434826208. Its totient is φ = 1511617200.

The previous prime is 4156947829. The next prime is 4156947857. The reversal of 4156947850 is 587496514.

It is a happy number.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 4156947794 and 4156947803.

It is not an unprimeable number, because it can be changed into a prime (4156947857) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3778494 + ... + 3779593.

It is an arithmetic number, because the mean of its divisors is an integer number (351451092).

Almost surely, 2^4156947850 is an apocalyptic number.

4156947850 is an abundant number, since it is smaller than the sum of its proper divisors (4277878358).

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

4156947850 is a wasteful number, since it uses less digits than its factorization.

4156947850 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7558110 (or 7558105 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The square root of 4156947850 is about 64474.3968564267. The cubic root of 4156947850 is about 1607.8968784166.

The spelling of 4156947850 in words is "four billion, one hundred fifty-six million, nine hundred forty-seven thousand, eight hundred fifty".