5101440 has 64 divisors (see below), whose sum is σ = 16266960. Its totient is φ = 1359872.

The previous prime is 5101417. The next prime is 5101441. The reversal of 5101440 is 441015.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5101441) 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 7 ways as a sum of consecutive naturals, for example, 592 + ... + 3248.

Almost surely, 2^5101440 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 5101440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8133480).

5101440 is an abundant number, since it is smaller than the sum of its proper divisors (11165520).

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

5101440 is a wasteful number, since it uses less digits than its factorization.

5101440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679 (or 2667 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 5101440 is about 2258.6367569842. The cubic root of 5101440 is about 172.1462610246.

Adding to 5101440 its reverse (441015), we get a palindrome (5542455).

The spelling of 5101440 in words is "five million, one hundred one thousand, four hundred forty".