5401240 has 96 divisors (see below), whose sum is σ = 14230080. Its totient is φ = 1837056.

The previous prime is 5401237. The next prime is 5401241. The reversal of 5401240 is 421045.

It is a super-3 number, since 3×5401240³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5401241) 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, 114897 + ... + 114943.

It is an arithmetic number, because the mean of its divisors is an integer number (148230).

Almost surely, 2^5401240 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 5401240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7115040).

5401240 is an abundant number, since it is smaller than the sum of its proper divisors (8828840).

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

5401240 is a wasteful number, since it uses less digits than its factorization.

5401240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 5401240 is about 2324.0567979290. The cubic root of 5401240 is about 175.4544920872.

Adding to 5401240 its reverse (421045), we get a palindrome (5822285).

The spelling of 5401240 in words is "five million, four hundred one thousand, two hundred forty".