30073157140 has 48 divisors (see below), whose sum is σ = 68356954512. Its totient is φ = 11047550976.

The previous prime is 30073157119. The next prime is 30073157141. The reversal of 30073157140 is 4175137003.

It can be written as a sum of positive squares in 8 ways, for example, as 542796804 + 29530360336 = 23298^2 + 171844^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30073157141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242349 + ... + 344788.

It is an arithmetic number, because the mean of its divisors is an integer number (1424103219).

Almost surely, 2^30073157140 is an apocalyptic number.

It is an amenable number.

30073157140 is an abundant number, since it is smaller than the sum of its proper divisors (38283797372).

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

30073157140 is a wasteful number, since it uses less digits than its factorization.

30073157140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587356 (or 587354 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 31.

The spelling of 30073157140 in words is "thirty billion, seventy-three million, one hundred fifty-seven thousand, one hundred forty".