6340465140 has 48 divisors (see below), whose sum is σ = 17936342592. Its totient is φ = 1673358336.

The previous prime is 6340465139. The next prime is 6340465169. The reversal of 6340465140 is 415640436.

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, 538894 + ... + 550533.

It is an arithmetic number, because the mean of its divisors is an integer number (373673804).

Almost surely, 2^6340465140 is an apocalyptic number.

6340465140 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6340465140 is an abundant number, since it is smaller than the sum of its proper divisors (11595877452).

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

6340465140 is a wasteful number, since it uses less digits than its factorization.

6340465140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1089536 (or 1089534 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 6340465140 is about 79627.0377447259. The cubic root of 6340465140 is about 1850.8605823250.

The spelling of 6340465140 in words is "six billion, three hundred forty million, four hundred sixty-five thousand, one hundred forty".