7140249980 has 24 divisors (see below), whose sum is σ = 14997074400. Its totient is φ = 2855614400.

The previous prime is 7140249979. The next prime is 7140250001. The reversal of 7140249980 is 899420417.

It is a congruent number.

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, 104930 + ... + 159030.

It is an arithmetic number, because the mean of its divisors is an integer number (624878100).

Almost surely, 2^7140249980 is an apocalyptic number.

It is an amenable number.

7140249980 is an abundant number, since it is smaller than the sum of its proper divisors (7856824420).

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

7140249980 is a wasteful number, since it uses less digits than its factorization.

7140249980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60709 (or 60707 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 7140249980 is about 84499.9998816568. Note that the first 3 decimals coincide. The cubic root of 7140249980 is about 1925.6224426669.

The spelling of 7140249980 in words is "seven billion, one hundred forty million, two hundred forty-nine thousand, nine hundred eighty".