5400420124440 has 64 divisors (see below), whose sum is σ = 17674102229760. Its totient is φ = 1309192757120.

The previous prime is 5400420124427. The next prime is 5400420124441. The reversal of 5400420124440 is 444210240045.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5400420124398 and 5400420124407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5400420124441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2045612364 + ... + 2045615003.

It is an arithmetic number, because the mean of its divisors is an integer number (276157847340).

Almost surely, 2^{5400420124440} is an apocalyptic number.

It is an amenable number.

5400420124440 is an abundant number, since it is smaller than the sum of its proper divisors (12273682105320).

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

5400420124440 is a wasteful number, since it uses less digits than its factorization.

5400420124440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091227392 (or 4091227388 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

Adding to 5400420124440 its reverse (444210240045), we get a palindrome (5844630364485).

The spelling of 5400420124440 in words is "five trillion, four hundred billion, four hundred twenty million, one hundred twenty-four thousand, four hundred forty".