6400184264438 has 8 divisors (see below), whose sum is σ = 9600324445080. Its totient is φ = 3200076116080.

The previous prime is 6400184264407. The next prime is 6400184264443. The reversal of 6400184264438 is 8344624810046.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6400184264438² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 7502168 + ... + 8311611.

It is an arithmetic number, because the mean of its divisors is an integer number (1200040555635).

Almost surely, 2^{6400184264438} is an apocalyptic number.

6400184264438 is a deficient number, since it is larger than the sum of its proper divisors (3200140180642).

6400184264438 is a wasteful number, since it uses less digits than its factorization.

6400184264438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16016142.

The product of its (nonzero) digits is 3538944, while the sum is 50.

The spelling of 6400184264438 in words is "six trillion, four hundred billion, one hundred eighty-four million, two hundred sixty-four thousand, four hundred thirty-eight".