1980914931402 has 32 divisors (see below), whose sum is σ = 4322324825280. Its totient is φ = 600231611520.

The previous prime is 1980914931397. The next prime is 1980914931421. The reversal of 1980914931402 is 2041394190891.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 261283 + ... + 2007510.

It is an arithmetic number, because the mean of its divisors is an integer number (135072650790).

Almost surely, 2^{1980914931402} is an apocalyptic number.

1980914931402 is an abundant number, since it is smaller than the sum of its proper divisors (2341409893878).

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

1980914931402 is a wasteful number, since it uses less digits than its factorization.

1980914931402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2282038.

The product of its (nonzero) digits is 559872, while the sum is 51.

The spelling of 1980914931402 in words is "one trillion, nine hundred eighty billion, nine hundred fourteen million, nine hundred thirty-one thousand, four hundred two".