6394354320 has 40 divisors (see below), whose sum is σ = 19822499136. Its totient is φ = 1705161088.

The previous prime is 6394354271. The next prime is 6394354331. The reversal of 6394354320 is 234534936.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13321332 + ... + 13321811.

Almost surely, 2^6394354320 is an apocalyptic number.

6394354320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6394354320 is an abundant number, since it is smaller than the sum of its proper divisors (13428144816).

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

6394354320 is a wasteful number, since it uses less digits than its factorization.

6394354320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26643159 (or 26643153 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 39.

The square root of 6394354320 is about 79964.7067149002. The cubic root of 6394354320 is about 1856.0894368936.

The spelling of 6394354320 in words is "six billion, three hundred ninety-four million, three hundred fifty-four thousand, three hundred twenty".