6406204530 has 32 divisors (see below), whose sum is σ = 16772609088. Its totient is φ = 1553019200.

The previous prime is 6406204507. The next prime is 6406204547. The reversal of 6406204530 is 354026046.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9706041 + ... + 9706700.

It is an arithmetic number, because the mean of its divisors is an integer number (524144034).

Almost surely, 2^6406204530 is an apocalyptic number.

6406204530 is an abundant number, since it is smaller than the sum of its proper divisors (10366404558).

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

6406204530 is a wasteful number, since it uses less digits than its factorization.

6406204530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19412762.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 6406204530 is about 80038.7689185685. The cubic root of 6406204530 is about 1857.2353162731.

The spelling of 6406204530 in words is "six billion, four hundred six million, two hundred four thousand, five hundred thirty".