1788900061200 has 240 divisors, whose sum is σ = 6893766865920. Its totient is φ = 387370805760.

The previous prime is 1788900061189. The next prime is 1788900061283. The reversal of 1788900061200 is 21600098871.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×1788900061200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 5444724 + ... + 5763923.

It is an arithmetic number, because the mean of its divisors is an integer number (28724028608).

Almost surely, 2^{1788900061200} is an apocalyptic number.

1788900061200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1788900061200 is an abundant number, since it is smaller than the sum of its proper divisors (5104866804720).

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

1788900061200 is a wasteful number, since it uses less digits than its factorization.

1788900061200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11208694 (or 11208683 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The spelling of 1788900061200 in words is "one trillion, seven hundred eighty-eight billion, nine hundred million, sixty-one thousand, two hundred".