3685812564000 has 384 divisors, whose sum is σ = 13933692444672. Its totient is φ = 834290150400.

The previous prime is 3685812563981. The next prime is 3685812564023. The reversal of 3685812564000 is 4652185863.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8438997 + ... + 8865003.

It is an arithmetic number, because the mean of its divisors is an integer number (36285657408).

Almost surely, 2^{3685812564000} is an apocalyptic number.

3685812564000 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3685812564000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6966846222336).

3685812564000 is an abundant number, since it is smaller than the sum of its proper divisors (10247879880672).

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

3685812564000 is a wasteful number, since it uses less digits than its factorization.

3685812564000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 426145 (or 426127 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 48.

The spelling of 3685812564000 in words is "three trillion, six hundred eighty-five billion, eight hundred twelve million, five hundred sixty-four thousand".