640080201600 has 288 divisors, whose sum is σ = 2610232644240. Its totient is φ = 146304000000.

The previous prime is 640080201587. The next prime is 640080201611. The reversal of 640080201600 is 6102080046.

640080201600 is a `hidden beast` number, since 6 + 400 + 80 + 20 + 160 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1385901 + ... + 1789100.

Almost surely, 2^640080201600 is an apocalyptic number.

640080201600 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

640080201600 is an abundant number, since it is smaller than the sum of its proper divisors (1970152442640).

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

640080201600 is a wasteful number, since it uses less digits than its factorization.

640080201600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3175038 (or 3175018 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 640080201600 its reverse (6102080046), we get a palindrome (646182281646).

The spelling of 640080201600 in words is "six hundred forty billion, eighty million, two hundred one thousand, six hundred".