2011044100040 has 16 divisors (see below), whose sum is σ = 4524849225180. Its totient is φ = 804417640000.

The previous prime is 2011044100031. The next prime is 2011044100067. The reversal of 2011044100040 is 400014401102.

It can be written as a sum of positive squares in 2 ways, for example, as 1958605848004 + 52438252036 = 1399502^2 + 228994^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2011044099991 and 2011044100018.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25138051211 + ... + 25138051290.

Almost surely, 2^{2011044100040} is an apocalyptic number.

2011044100040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2011044100040 is an abundant number, since it is smaller than the sum of its proper divisors (2513805125140).

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

2011044100040 is a wasteful number, since it uses less digits than its factorization.

2011044100040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50276102512 (or 50276102508 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2011044100040 its reverse (400014401102), we get a palindrome (2411058501142).

The spelling of 2011044100040 in words is "two trillion, eleven billion, forty-four million, one hundred thousand, forty".