7481400140 has 12 divisors (see below), whose sum is σ = 15710940336. Its totient is φ = 2992560048.

The previous prime is 7481400131. The next prime is 7481400149. The reversal of 7481400140 is 410041847.

It is an interprime number because it is at equal distance from previous prime (7481400131) and next prime (7481400149).

It is not an unprimeable number, because it can be changed into a prime (7481400149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 187034984 + ... + 187035023.

It is an arithmetic number, because the mean of its divisors is an integer number (1309245028).

Almost surely, 2^7481400140 is an apocalyptic number.

It is an amenable number.

7481400140 is an abundant number, since it is smaller than the sum of its proper divisors (8229540196).

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

7481400140 is a wasteful number, since it uses less digits than its factorization.

7481400140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374070016 (or 374070014 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 7481400140 is about 86495.0873749486. The cubic root of 7481400140 is about 1955.8143479797.

Adding to 7481400140 its reverse (410041847), we get a palindrome (7891441987).

The spelling of 7481400140 in words is "seven billion, four hundred eighty-one million, four hundred thousand, one hundred forty".