6403042036 has 24 divisors (see below), whose sum is σ = 11697719040. Its totient is φ = 3060960672.

The previous prime is 6403042031. The next prime is 6403042049. The reversal of 6403042036 is 6302403046.

It is a junction number, because it is equal to n+sod(n) for n = 6403041995 and 6403042013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6403042031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 209925 + ... + 238483.

It is an arithmetic number, because the mean of its divisors is an integer number (487404960).

Almost surely, 2^6403042036 is an apocalyptic number.

It is an amenable number.

6403042036 is a deficient number, since it is larger than the sum of its proper divisors (5294677004).

6403042036 is a wasteful number, since it uses less digits than its factorization.

6403042036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31023 (or 31021 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 6403042036 is about 80019.0104662636. The cubic root of 6403042036 is about 1856.9296510237.

The spelling of 6403042036 in words is "six billion, four hundred three million, forty-two thousand, thirty-six".