5401044 has 72 divisors (see below), whose sum is σ = 15567552. Its totient is φ = 1562880.

The previous prime is 5401043. The next prime is 5401049. The reversal of 5401044 is 4401045.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401043) by changing a digit.

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, 8812 + ... + 9404.

It is an arithmetic number, because the mean of its divisors is an integer number (216216).

Almost surely, 2^5401044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5401044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7783776).

5401044 is an abundant number, since it is smaller than the sum of its proper divisors (10166508).

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

5401044 is a wasteful number, since it uses less digits than its factorization.

5401044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 632 counting only the distinct ones).

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

The square root of 5401044 is about 2324.0146299023. The cubic root of 5401044 is about 175.4523697661.

Adding to 5401044 its reverse (4401045), we get a palindrome (9802089).

Subtracting from 5401044 its reverse (4401045), we obtain a palindrome (999999).

The spelling of 5401044 in words is "five million, four hundred one thousand, forty-four".