7140458540418 has 48 divisors (see below), whose sum is σ = 16639420430304. Its totient is φ = 2036824426560.

The previous prime is 7140458540359. The next prime is 7140458540443. The reversal of 7140458540418 is 8140458540417.

It is a happy number.

It is a super-2 number, since 2×7140458540418² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19500348 + ... + 19863143.

It is an arithmetic number, because the mean of its divisors is an integer number (346654592298).

Almost surely, 2^{7140458540418} is an apocalyptic number.

7140458540418 is an abundant number, since it is smaller than the sum of its proper divisors (9498961889886).

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

7140458540418 is a wasteful number, since it uses less digits than its factorization.

7140458540418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39364127 (or 39364120 counting only the distinct ones).

The product of its (nonzero) digits is 2867200, while the sum is 51.

Subtracting 7140458540418 from its reverse (8140458540417), we obtain a palindrome (999999999999).

The spelling of 7140458540418 in words is "seven trillion, one hundred forty billion, four hundred fifty-eight million, five hundred forty thousand, four hundred eighteen".