11404039220 has 48 divisors (see below), whose sum is σ = 27533640960. Its totient is φ = 3886535424.

The previous prime is 11404039219. The next prime is 11404039237. The reversal of 11404039220 is 2293040411.

It is a super-2 number, since 2×11404039220² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11404039220.

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 15 ways as a sum of consecutive naturals, for example, 220505 + ... + 267264.

It is an arithmetic number, because the mean of its divisors is an integer number (573617520).

Almost surely, 2^11404039220 is an apocalyptic number.

11404039220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11404039220 is an abundant number, since it is smaller than the sum of its proper divisors (16129601740).

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

11404039220 is a wasteful number, since it uses less digits than its factorization.

11404039220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487952 (or 487950 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 11404039220 its reverse (2293040411), we get a palindrome (13697079631).

The spelling of 11404039220 in words is "eleven billion, four hundred four million, thirty-nine thousand, two hundred twenty".