1980385518034 has 32 divisors (see below), whose sum is σ = 3724268544000. Its totient is φ = 767268266640.

The previous prime is 1980385517987. The next prime is 1980385518091. The reversal of 1980385518034 is 4308155830891.

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, 35893234 + ... + 35948365.

It is an arithmetic number, because the mean of its divisors is an integer number (116383392000).

Almost surely, 2^{1980385518034} is an apocalyptic number.

1980385518034 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1980385518034 is a deficient number, since it is larger than the sum of its proper divisors (1743883025966).

1980385518034 is a wasteful number, since it uses less digits than its factorization.

1980385518034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71841798.

The product of its (nonzero) digits is 4147200, while the sum is 55.

The spelling of 1980385518034 in words is "one trillion, nine hundred eighty billion, three hundred eighty-five million, five hundred eighteen thousand, thirty-four".