1980492972480 has 672 divisors, whose sum is σ = 7935704524800. Its totient is φ = 448603545600.

The previous prime is 1980492972473. The next prime is 1980492972481. The reversal of 1980492972480 is 842792940891.

1980492972480 is a `hidden beast` number, since 1 + 9 + 80 + 4 + 9 + 2 + 9 + 72 + 480 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1980492972481) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 28445551 + ... + 28515089.

Almost surely, 2^{1980492972480} is an apocalyptic number.

1980492972480 is a gapful number since it is divisible by the number (10) 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 1980492972480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3967852262400).

1980492972480 is an abundant number, since it is smaller than the sum of its proper divisors (5955211552320).

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

1980492972480 is a wasteful number, since it uses less digits than its factorization.

1980492972480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69633 (or 69620 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 1980492972480 in words is "one trillion, nine hundred eighty billion, four hundred ninety-two million, nine hundred seventy-two thousand, four hundred eighty".