6340536156 has 48 divisors (see below), whose sum is σ = 15028272000. Its totient is φ = 2080182720.

The previous prime is 6340536149. The next prime is 6340536193. The reversal of 6340536156 is 6516350436.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1202566 + ... + 1207826.

It is an arithmetic number, because the mean of its divisors is an integer number (313089000).

Almost surely, 2^6340536156 is an apocalyptic number.

It is an amenable number.

6340536156 is an abundant number, since it is smaller than the sum of its proper divisors (8687735844).

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

6340536156 is a wasteful number, since it uses less digits than its factorization.

6340536156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6834 (or 6832 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 39.

The square root of 6340536156 is about 79627.4836724105. The cubic root of 6340536156 is about 1850.8674924502.

The spelling of 6340536156 in words is "six billion, three hundred forty million, five hundred thirty-six thousand, one hundred fifty-six".