30140233144 has 32 divisors (see below), whose sum is σ = 64617062400. Its totient is φ = 12911073120.

The previous prime is 30140233139. The next prime is 30140233157. The reversal of 30140233144 is 44133204103.

It is a super-2 number, since 2×30140233144² (a number of 22 digits) contains 22 as substring.

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, 9264 + ... + 245695.

It is an arithmetic number, because the mean of its divisors is an integer number (2019283200).

Almost surely, 2^30140233144 is an apocalyptic number.

It is an amenable number.

30140233144 is an abundant number, since it is smaller than the sum of its proper divisors (34476829256).

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

30140233144 is a wasteful number, since it uses less digits than its factorization.

30140233144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257083 (or 257079 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 30140233144 its reverse (44133204103), we get a palindrome (74273437247).

The spelling of 30140233144 in words is "thirty billion, one hundred forty million, two hundred thirty-three thousand, one hundred forty-four".