11222040408 has 32 divisors (see below), whose sum is σ = 29705402160. Its totient is φ = 3520640000.

The previous prime is 11222040287. The next prime is 11222040451. The reversal of 11222040408 is 80404022211.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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, 13752093 + ... + 13752908.

Almost surely, 2^11222040408 is an apocalyptic number.

It is an amenable number.

11222040408 is an abundant number, since it is smaller than the sum of its proper divisors (18483361752).

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

11222040408 is a wasteful number, since it uses less digits than its factorization.

11222040408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27505027 (or 27505023 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 11222040408 its reverse (80404022211), we get a palindrome (91626062619).

It can be divided in two parts, 112220 and 40408, that added together give a triangular number (152628 = T₅₅₂).

The spelling of 11222040408 in words is "eleven billion, two hundred twenty-two million, forty thousand, four hundred eight".