6914324640 has 48 divisors (see below), whose sum is σ = 21780124128. Its totient is φ = 1843819776.

The previous prime is 6914324603. The next prime is 6914324647. The reversal of 6914324640 is 464234196.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×6914324640² = 95615770454622259200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6914324647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7201942 + ... + 7202901.

It is an arithmetic number, because the mean of its divisors is an integer number (453752586).

Almost surely, 2^6914324640 is an apocalyptic number.

6914324640 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6914324640 is an abundant number, since it is smaller than the sum of its proper divisors (14865799488).

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

6914324640 is a wasteful number, since it uses less digits than its factorization.

6914324640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14404861 (or 14404853 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 39.

The square root of 6914324640 is about 83152.4181247906. The cubic root of 6914324640 is about 1905.0947879620.

The spelling of 6914324640 in words is "six billion, nine hundred fourteen million, three hundred twenty-four thousand, six hundred forty".