1980472055 has 16 divisors (see below), whose sum is σ = 2442700800. Its totient is φ = 1540872960.

The previous prime is 1980472037. The next prime is 1980472061. The reversal of 1980472055 is 5502740891.

It is not a de Polignac number, because 1980472055 - 2¹⁸ = 1980209911 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9335 + ... + 63624.

It is an arithmetic number, because the mean of its divisors is an integer number (152668800).

Almost surely, 2^1980472055 is an apocalyptic number.

1980472055 is a deficient number, since it is larger than the sum of its proper divisors (462228745).

1980472055 is an equidigital number, since it uses as much as digits as its factorization.

1980472055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73114.

The product of its (nonzero) digits is 100800, while the sum is 41.

The square root of 1980472055 is about 44502.4949300598. The cubic root of 1980472055 is about 1255.8070194449.

The spelling of 1980472055 in words is "one billion, nine hundred eighty million, four hundred seventy-two thousand, fifty-five".