2081288870040 has 32 divisors (see below), whose sum is σ = 6243866610480. Its totient is φ = 555010365312.

The previous prime is 2081288870029. The next prime is 2081288870041. The reversal of 2081288870040 is 400788821802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2081288870041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8672036839 + ... + 8672037078.

Almost surely, 2^{2081288870040} is an apocalyptic number.

2081288870040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2081288870040 is an abundant number, since it is smaller than the sum of its proper divisors (4162577740440).

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

2081288870040 is a wasteful number, since it uses less digits than its factorization.

2081288870040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17344073931 (or 17344073927 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 48.

The spelling of 2081288870040 in words is "two trillion, eighty-one billion, two hundred eighty-eight million, eight hundred seventy thousand, forty".