6404557562 has 16 divisors (see below), whose sum is σ = 10347426432. Its totient is φ = 2955491760.

The previous prime is 6404557553. The next prime is 6404557573. The reversal of 6404557562 is 2657554046.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199043 + ... + 228969.

It is an arithmetic number, because the mean of its divisors is an integer number (646714152).

Almost surely, 2^6404557562 is an apocalyptic number.

6404557562 is a deficient number, since it is larger than the sum of its proper divisors (3942868870).

6404557562 is a wasteful number, since it uses less digits than its factorization.

6404557562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38173.

The product of its (nonzero) digits is 1008000, while the sum is 44.

The square root of 6404557562 is about 80028.4796931692. The cubic root of 6404557562 is about 1857.0761440577.

The spelling of 6404557562 in words is "six billion, four hundred four million, five hundred fifty-seven thousand, five hundred sixty-two".