981440100466 has 32 divisors (see below), whose sum is σ = 1752716568960. Its totient is φ = 403402992000.

The previous prime is 981440100427. The next prime is 981440100481. The reversal of 981440100466 is 664001044189.

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, 14456185 + ... + 14523916.

It is an arithmetic number, because the mean of its divisors is an integer number (54772392780).

Almost surely, 2^981440100466 is an apocalyptic number.

981440100466 is a deficient number, since it is larger than the sum of its proper divisors (771276468494).

981440100466 is a wasteful number, since it uses less digits than its factorization.

981440100466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28980210.

The product of its (nonzero) digits is 165888, while the sum is 43.

The spelling of 981440100466 in words is "nine hundred eighty-one billion, four hundred forty million, one hundred thousand, four hundred sixty-six".