6364400542 has 16 divisors (see below), whose sum is σ = 9577520352. Its totient is φ = 3171911680.

The previous prime is 6364400513. The next prime is 6364400543. The reversal of 6364400542 is 2450044636.

It is a junction number, because it is equal to n+sod(n) for n = 6364400498 and 6364400507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6364400543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 825618 + ... + 833290.

It is an arithmetic number, because the mean of its divisors is an integer number (598595022).

Almost surely, 2^6364400542 is an apocalyptic number.

6364400542 is a deficient number, since it is larger than the sum of its proper divisors (3213119810).

6364400542 is a wasteful number, since it uses less digits than its factorization.

6364400542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8963.

The product of its (nonzero) digits is 69120, while the sum is 34.

The square root of 6364400542 is about 79777.1931193371. The cubic root of 6364400542 is about 1853.1866715442.

The spelling of 6364400542 in words is "six billion, three hundred sixty-four million, four hundred thousand, five hundred forty-two".