1980727741200 has 120 divisors (see below), whose sum is σ = 6833002882048. Its totient is φ = 487563747840.

The previous prime is 1980727741193. The next prime is 1980727741241. The reversal of 1980727741200 is 21477270891.

It is a tau number, because it is divible by the number of its divisors (120).

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 1980727741200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63469264 + ... + 63500463.

Almost surely, 2^{1980727741200} is an apocalyptic number.

1980727741200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1980727741200 is an abundant number, since it is smaller than the sum of its proper divisors (4852275140848).

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

1980727741200 is a wasteful number, since it uses less digits than its factorization.

1980727741200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126969761 (or 126969750 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 48.

The spelling of 1980727741200 in words is "one trillion, nine hundred eighty billion, seven hundred twenty-seven million, seven hundred forty-one thousand, two hundred".