7148881420 has 24 divisors (see below), whose sum is σ = 15332071104. Its totient is φ = 2798710656.

The previous prime is 7148881417. The next prime is 7148881433. The reversal of 7148881420 is 241888417.

It is a super-2 number, since 2×7148881420² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3801657 + ... + 3803536.

It is an arithmetic number, because the mean of its divisors is an integer number (638836296).

Almost surely, 2^7148881420 is an apocalyptic number.

It is an amenable number.

7148881420 is an abundant number, since it is smaller than the sum of its proper divisors (8183189684).

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

7148881420 is a wasteful number, since it uses less digits than its factorization.

7148881420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7605249 (or 7605247 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 43.

The square root of 7148881420 is about 84551.0580655263. The cubic root of 7148881420 is about 1926.3980551813.

The spelling of 7148881420 in words is "seven billion, one hundred forty-eight million, eight hundred eighty-one thousand, four hundred twenty".