7043424240 has 80 divisors (see below), whose sum is σ = 21919766688. Its totient is φ = 1870921728.

The previous prime is 7043424169. The next prime is 7043424257. The reversal of 7043424240 is 424243407.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 7043424198 and 7043424207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4584 + ... + 118776.

Almost surely, 2^7043424240 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 7043424240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10959883344).

7043424240 is an abundant number, since it is smaller than the sum of its proper divisors (14876342448).

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

7043424240 is a wasteful number, since it uses less digits than its factorization.

7043424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114466 (or 114460 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 30.

The square root of 7043424240 is about 83925.1109025183. The cubic root of 7043424240 is about 1916.8786305551.

Adding to 7043424240 its reverse (424243407), we get a palindrome (7467667647).

The spelling of 7043424240 in words is "seven billion, forty-three million, four hundred twenty-four thousand, two hundred forty".