10540404 has 72 divisors (see below), whose sum is σ = 30762368. Its totient is φ = 2980800.

The previous prime is 10540381. The next prime is 10540423. The reversal of 10540404 is 40404501.

It is a super-2 number, since 2×10540404² = 222200232966432, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37914 + ... + 38190.

Almost surely, 2^10540404 is an apocalyptic number.

10540404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10540404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15381184).

10540404 is an abundant number, since it is smaller than the sum of its proper divisors (20221964).

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

10540404 is a wasteful number, since it uses less digits than its factorization.

10540404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445 (or 440 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 10540404 is about 3246.5988357048. The cubic root of 10540404 is about 219.2564706568.

Adding to 10540404 its reverse (40404501), we get a palindrome (50944905).

The spelling of 10540404 in words is "ten million, five hundred forty thousand, four hundred four".