2180741000040 has 96 divisors (see below), whose sum is σ = 7091985537000. Its totient is φ = 581155361280.

The previous prime is 2180741000017. The next prime is 2180741000089. The reversal of 2180741000040 is 400001470812.

It can be written as a sum of positive squares in 4 ways, for example, as 1891191542436 + 289549457604 = 1375206^2 + 538098^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2180740999968 and 2180741000013.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1397691 + ... + 2512970.

Almost surely, 2^{2180741000040} is an apocalyptic number.

2180741000040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2180741000040 is an abundant number, since it is smaller than the sum of its proper divisors (4911244536960).

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

2180741000040 is a wasteful number, since it uses less digits than its factorization.

2180741000040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912227 (or 3912220 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

Adding to 2180741000040 its reverse (400001470812), we get a palindrome (2580742470852).

The spelling of 2180741000040 in words is "two trillion, one hundred eighty billion, seven hundred forty-one million, forty", and thus it is an aban number.