11201422440 has 64 divisors (see below), whose sum is σ = 36189216000. Its totient is φ = 2757272832.

The previous prime is 11201422399. The next prime is 11201422483. The reversal of 11201422440 is 4422410211.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3588640 + ... + 3591759.

It is an arithmetic number, because the mean of its divisors is an integer number (565456500).

Almost surely, 2^11201422440 is an apocalyptic number.

11201422440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11201422440 is an abundant number, since it is smaller than the sum of its proper divisors (24987793560).

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

11201422440 is a wasteful number, since it uses less digits than its factorization.

11201422440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7180426 (or 7180422 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 11201422440 its reverse (4422410211), we get a palindrome (15623832651).

The spelling of 11201422440 in words is "eleven billion, two hundred one million, four hundred twenty-two thousand, four hundred forty".