9040111020 has 72 divisors (see below), whose sum is σ = 28059407376. Its totient is φ = 2354631552.

The previous prime is 9040111007. The next prime is 9040111027. The reversal of 9040111020 is 201110409.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 9040110984 and 9040111002.

It is not an unprimeable number, because it can be changed into a prime (9040111027) 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, 576247 + ... + 591726.

Almost surely, 2^9040111020 is an apocalyptic number.

9040111020 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9040111020 is an abundant number, since it is smaller than the sum of its proper divisors (19019296356).

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

9040111020 is a wasteful number, since it uses less digits than its factorization.

9040111020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168031 (or 1168026 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 9040111020 is about 95079.4984210582. The cubic root of 9040111020 is about 2083.1694023260.

Adding to 9040111020 its reverse (201110409), we get a palindrome (9241221429).

The spelling of 9040111020 in words is "nine billion, forty million, one hundred eleven thousand, twenty".