6336405628542 has 80 divisors (see below), whose sum is σ = 15510840879600. Its totient is φ = 1917414322560.

The previous prime is 6336405628507. The next prime is 6336405628561. The reversal of 6336405628542 is 2458265046336.

It is a happy number.

6336405628542 is a `hidden beast` number, since 6 + 3 + 3 + 6 + 4 + 0 + 5 + 628 + 5 + 4 + 2 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1244167 + ... + 3771042.

It is an arithmetic number, because the mean of its divisors is an integer number (193885510995).

Almost surely, 2^{6336405628542} is an apocalyptic number.

6336405628542 is an abundant number, since it is smaller than the sum of its proper divisors (9174435251058).

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

6336405628542 is a wasteful number, since it uses less digits than its factorization.

6336405628542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5015943 (or 5015934 counting only the distinct ones).

The product of its (nonzero) digits is 24883200, while the sum is 54.

The spelling of 6336405628542 in words is "six trillion, three hundred thirty-six billion, four hundred five million, six hundred twenty-eight thousand, five hundred forty-two".