4239499456 has 14 divisors (see below), whose sum is σ = 8412756860. Its totient is φ = 2119749696.

The previous prime is 4239499447. The next prime is 4239499477. The reversal of 4239499456 is 6549949324.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4239499397 and 4239499406.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33121026 + ... + 33121153.

Almost surely, 2^4239499456 is an apocalyptic number.

It is an amenable number.

4239499456 is a deficient number, since it is larger than the sum of its proper divisors (4173257404).

4239499456 is an equidigital number, since it uses as much as digits as its factorization.

4239499456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66242191 (or 66242181 counting only the distinct ones).

The product of its digits is 8398080, while the sum is 55.

The square root of 4239499456 is about 65111.4387492705. The cubic root of 4239499456 is about 1618.4707735486.

The spelling of 4239499456 in words is "four billion, two hundred thirty-nine million, four hundred ninety-nine thousand, four hundred fifty-six".