7144060420 has 96 divisors (see below), whose sum is σ = 18468172800. Its totient is φ = 2266475904.

The previous prime is 7144060409. The next prime is 7144060423. The reversal of 7144060420 is 240604417.

It is a super-2 number, since 2×7144060420² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (7144060423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83151 + ... + 145609.

It is an arithmetic number, because the mean of its divisors is an integer number (192376800).

Almost surely, 2^7144060420 is an apocalyptic number.

7144060420 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7144060420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9234086400).

7144060420 is an abundant number, since it is smaller than the sum of its proper divisors (11324112380).

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

7144060420 is a wasteful number, since it uses less digits than its factorization.

7144060420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62537 (or 62535 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 7144060420 is about 84522.5438566540. The cubic root of 7144060420 is about 1925.9649219899.

Adding to 7144060420 its reverse (240604417), we get a palindrome (7384664837).

The spelling of 7144060420 in words is "seven billion, one hundred forty-four million, sixty thousand, four hundred twenty".