30140443554 has 16 divisors (see below), whose sum is σ = 64917878592. Its totient is φ = 9273982608.

The previous prime is 30140443537. The next prime is 30140443559. The reversal of 30140443554 is 45534404103.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30140443559) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193207894 + ... + 193208049.

It is an arithmetic number, because the mean of its divisors is an integer number (4057367412).

Almost surely, 2^30140443554 is an apocalyptic number.

30140443554 is an abundant number, since it is smaller than the sum of its proper divisors (34777435038).

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

30140443554 is a wasteful number, since it uses less digits than its factorization.

30140443554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386415961.

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 30140443554 its reverse (45534404103), we get a palindrome (75674847657).

The spelling of 30140443554 in words is "thirty billion, one hundred forty million, four hundred forty-three thousand, five hundred fifty-four".