4239394956 has 48 divisors (see below), whose sum is σ = 11345582080. Its totient is φ = 1367545680.

The previous prime is 4239394927. The next prime is 4239394963. The reversal of 4239394956 is 6594939324.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 629776 + ... + 636471.

Almost surely, 2^4239394956 is an apocalyptic number.

It is an amenable number.

4239394956 is an abundant number, since it is smaller than the sum of its proper divisors (7106187124).

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

4239394956 is a wasteful number, since it uses less digits than its factorization.

4239394956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1266291 (or 1266283 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 54.

The square root of 4239394956 is about 65110.6362739606. The cubic root of 4239394956 is about 1618.4574754705.

The spelling of 4239394956 in words is "four billion, two hundred thirty-nine million, three hundred ninety-four thousand, nine hundred fifty-six".