6424000400642 has 16 divisors (see below), whose sum is σ = 10598876698464. Its totient is φ = 2920000180900.

The previous prime is 6424000400639. The next prime is 6424000400651. The reversal of 6424000400642 is 2460040004246.

It is a super-2 number, since 2×6424000400642² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6424000400599 and 6424000400608.

It is an unprimeable number.

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, 1206608984 + ... + 1206614307.

It is an arithmetic number, because the mean of its divisors is an integer number (662429793654).

Almost surely, 2^{6424000400642} is an apocalyptic number.

6424000400642 is a deficient number, since it is larger than the sum of its proper divisors (4174876297822).

6424000400642 is a wasteful number, since it uses less digits than its factorization.

6424000400642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413223326 (or 2413223304 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 6424000400642 its reverse (2460040004246), we get a palindrome (8884040404888).

The spelling of 6424000400642 in words is "six trillion, four hundred twenty-four billion, four hundred thousand, six hundred forty-two".