6340156320 has 96 divisors (see below), whose sum is σ = 20660209920. Its totient is φ = 1632404480.

The previous prime is 6340156289. The next prime is 6340156331. The reversal of 6340156320 is 236510436.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 213816 + ... + 241655.

It is an arithmetic number, because the mean of its divisors is an integer number (215210520).

Almost surely, 2^6340156320 is an apocalyptic number.

6340156320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6340156320 is an abundant number, since it is smaller than the sum of its proper divisors (14320053600).

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

6340156320 is a wasteful number, since it uses less digits than its factorization.

6340156320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455518 (or 455510 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 6340156320 is about 79625.0985556690. The cubic root of 6340156320 is about 1850.8305323716.

Adding to 6340156320 its reverse (236510436), we get a palindrome (6576666756).

The spelling of 6340156320 in words is "six billion, three hundred forty million, one hundred fifty-six thousand, three hundred twenty".