6366678240 has 96 divisors (see below), whose sum is σ = 21597752736. Its totient is φ = 1567180800.

The previous prime is 6366678239. The next prime is 6366678257. The reversal of 6366678240 is 428766636.

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 (48).

It is a self number, because there is not a number n which added to its sum of digits gives 6366678240.

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, 503911 + ... + 516390.

It is an arithmetic number, because the mean of its divisors is an integer number (224976591).

Almost surely, 2^6366678240 is an apocalyptic number.

6366678240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6366678240 is an abundant number, since it is smaller than the sum of its proper divisors (15231074496).

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

6366678240 is a wasteful number, since it uses less digits than its factorization.

6366678240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020332 (or 1020324 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 48.

The square root of 6366678240 is about 79791.4672129796. The cubic root of 6366678240 is about 1853.4077186069.

The spelling of 6366678240 in words is "six billion, three hundred sixty-six million, six hundred seventy-eight thousand, two hundred forty".