6402064142 has 8 divisors (see below), whose sum is σ = 9605601432. Its totient is φ = 3200197000.

The previous prime is 6402064091. The next prime is 6402064147. The reversal of 6402064142 is 2414602046.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6402064147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407909 + ... + 423312.

It is an arithmetic number, because the mean of its divisors is an integer number (1200700179).

Almost surely, 2^6402064142 is an apocalyptic number.

6402064142 is a deficient number, since it is larger than the sum of its proper divisors (3203537290).

6402064142 is a wasteful number, since it uses less digits than its factorization.

6402064142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835074.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 6402064142 is about 80012.8998474621. The cubic root of 6402064142 is about 1856.8351140415.

Adding to 6402064142 its reverse (2414602046), we get a palindrome (8816666188).

The spelling of 6402064142 in words is "six billion, four hundred two million, sixty-four thousand, one hundred forty-two".