2101439040984 has 96 divisors (see below), whose sum is σ = 5998947449040. Its totient is φ = 688996368000.

The previous prime is 2101439040881. The next prime is 2101439040989. The reversal of 2101439040984 is 4890409341012.

2101439040984 is a `hidden beast` number, since 2 + 10 + 143 + 90 + 409 + 8 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101439040989) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8741967 + ... + 8979134.

Almost surely, 2^{2101439040984} is an apocalyptic number.

2101439040984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2101439040984 is an abundant number, since it is smaller than the sum of its proper divisors (3897508408056).

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

2101439040984 is a wasteful number, since it uses less digits than its factorization.

2101439040984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17721183 (or 17721167 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 2101439040984 in words is "two trillion, one hundred one billion, four hundred thirty-nine million, forty thousand, nine hundred eighty-four".