30142321444 has 24 divisors (see below), whose sum is σ = 56116676448. Its totient is φ = 14117389440.

The previous prime is 30142321421. The next prime is 30142321459. The reversal of 30142321444 is 44412324103.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

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, 1036054 + ... + 1064749.

It is an arithmetic number, because the mean of its divisors is an integer number (2338194852).

Almost surely, 2^30142321444 is an apocalyptic number.

30142321444 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30142321444 is a deficient number, since it is larger than the sum of its proper divisors (25974355004).

30142321444 is a wasteful number, since it uses less digits than its factorization.

30142321444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2101035 (or 2101033 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 30142321444 its reverse (44412324103), we get a palindrome (74554645547).

The spelling of 30142321444 in words is "thirty billion, one hundred forty-two million, three hundred twenty-one thousand, four hundred forty-four".