30378312044 has 12 divisors (see below), whose sum is σ = 56289225384. Its totient is φ = 14295676224.

The previous prime is 30378312043. The next prime is 30378312049. The reversal of 30378312044 is 44021387303.

It is a junction number, because it is equal to n+sod(n) for n = 30378311995 and 30378312013.

It is not an unprimeable number, because it can be changed into a prime (30378312043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223369874 + ... + 223370009.

It is an arithmetic number, because the mean of its divisors is an integer number (4690768782).

Almost surely, 2^30378312044 is an apocalyptic number.

30378312044 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30378312044 is a deficient number, since it is larger than the sum of its proper divisors (25910913340).

30378312044 is a wasteful number, since it uses less digits than its factorization.

30378312044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 446739904 (or 446739902 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 35.

Adding to 30378312044 its reverse (44021387303), we get a palindrome (74399699347).

The spelling of 30378312044 in words is "thirty billion, three hundred seventy-eight million, three hundred twelve thousand, forty-four".