11000040420 has 24 divisors (see below), whose sum is σ = 30800113344. Its totient is φ = 2933344096.

The previous prime is 11000040409. The next prime is 11000040473. The reversal of 11000040420 is 2404000011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11000040396 and 11000040405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91666944 + ... + 91667063.

It is an arithmetic number, because the mean of its divisors is an integer number (1283338056).

Almost surely, 2^11000040420 is an apocalyptic number.

11000040420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11000040420 is an abundant number, since it is smaller than the sum of its proper divisors (19800072924).

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

11000040420 is a wasteful number, since it uses less digits than its factorization.

11000040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183334019 (or 183334017 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 11000040420 its reverse (2404000011), we get a palindrome (13404040431).

The spelling of 11000040420 in words is "eleven billion, forty thousand, four hundred twenty".