30432555421444 has 48 divisors (see below), whose sum is σ = 58403493441216. Its totient is φ = 13760375500800.

The previous prime is 30432555421409. The next prime is 30432555421481. The reversal of 30432555421444 is 44412455523403.

It is a super-2 number, since 2×30432555421444² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30432555421394 and 30432555421403.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 134204679 + ... + 134431249.

It is an arithmetic number, because the mean of its divisors is an integer number (1216739446692).

Almost surely, 2^{30432555421444} is an apocalyptic number.

It is an amenable number.

30432555421444 is a deficient number, since it is larger than the sum of its proper divisors (27970938019772).

30432555421444 is a wasteful number, since it uses less digits than its factorization.

30432555421444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242596 (or 242594 counting only the distinct ones).

The product of its (nonzero) digits is 4608000, while the sum is 46.

The spelling of 30432555421444 in words is "thirty trillion, four hundred thirty-two billion, five hundred fifty-five million, four hundred twenty-one thousand, four hundred forty-four".