7140424550 has 72 divisors (see below), whose sum is σ = 15486341400. Its totient is φ = 2442316800.

The previous prime is 7140424549. The next prime is 7140424553. The reversal of 7140424550 is 554240417.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7140424553) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1096805 + ... + 1103295.

It is an arithmetic number, because the mean of its divisors is an integer number (215088075).

Almost surely, 2^7140424550 is an apocalyptic number.

7140424550 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

7140424550 is an abundant number, since it is smaller than the sum of its proper divisors (8345916850).

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

7140424550 is a wasteful number, since it uses less digits than its factorization.

7140424550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6966 (or 6954 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The square root of 7140424550 is about 84501.0328339246. The cubic root of 7140424550 is about 1925.6381355428.

Adding to 7140424550 its reverse (554240417), we get a palindrome (7694664967).

The spelling of 7140424550 in words is "seven billion, one hundred forty million, four hundred twenty-four thousand, five hundred fifty".