6436402742 has 48 divisors (see below), whose sum is σ = 12972588048. Its totient is φ = 2360171520.

The previous prime is 6436402711. The next prime is 6436402751. The reversal of 6436402742 is 2472046346.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 6436402696 and 6436402705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 157283 + ... + 193934.

It is an arithmetic number, because the mean of its divisors is an integer number (270262251).

Almost surely, 2^6436402742 is an apocalyptic number.

6436402742 is an abundant number, since it is smaller than the sum of its proper divisors (6536185306).

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

6436402742 is a wasteful number, since it uses less digits than its factorization.

6436402742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351261 (or 351254 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 38.

The square root of 6436402742 is about 80227.1945290373. The cubic root of 6436402742 is about 1860.1490170431.

The spelling of 6436402742 in words is "six billion, four hundred thirty-six million, four hundred two thousand, seven hundred forty-two".