11244169890 has 48 divisors (see below), whose sum is σ = 29646616896. Its totient is φ = 2956212000.

The previous prime is 11244169883. The next prime is 11244169891. The reversal of 11244169890 is 9896144211.

It is a happy number.

11244169890 is a `hidden beast` number, since 112 + 441 + 6 + 9 + 8 + 90 = 666.

It is a super-2 number, since 2×11244169890² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (11244169891) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 873436 + ... + 886215.

It is an arithmetic number, because the mean of its divisors is an integer number (617637852).

Almost surely, 2^11244169890 is an apocalyptic number.

11244169890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11244169890 is an abundant number, since it is smaller than the sum of its proper divisors (18402447006).

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

11244169890 is a wasteful number, since it uses less digits than its factorization.

11244169890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759735 (or 1759732 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 45.

The spelling of 11244169890 in words is "eleven billion, two hundred forty-four million, one hundred sixty-nine thousand, eight hundred ninety".