30143400140 has 48 divisors (see below), whose sum is σ = 73020310272. Its totient is φ = 10238287296.

The previous prime is 30143400137. The next prime is 30143400239. The reversal of 30143400140 is 4100434103.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991142 + ... + 1021101.

It is an arithmetic number, because the mean of its divisors is an integer number (1521256464).

Almost surely, 2^30143400140 is an apocalyptic number.

It is an amenable number.

30143400140 is an abundant number, since it is smaller than the sum of its proper divisors (42876910132).

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

30143400140 is a wasteful number, since it uses less digits than its factorization.

30143400140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2012366 (or 2012364 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 30143400140 its reverse (4100434103), we get a palindrome (34243834243).

The spelling of 30143400140 in words is "thirty billion, one hundred forty-three million, four hundred thousand, one hundred forty".