30561401432644 has 12 divisors (see below), whose sum is σ = 55807776529344. Its totient is φ = 14616322424264.

The previous prime is 30561401432633. The next prime is 30561401432651. The reversal of 30561401432644 is 44623410416503.

It is a self number, because there is not a number n which added to its sum of digits gives 30561401432644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166094572912 + ... + 166094573095.

It is an arithmetic number, because the mean of its divisors is an integer number (4650648044112).

Almost surely, 2^{30561401432644} is an apocalyptic number.

It is an amenable number.

30561401432644 is a deficient number, since it is larger than the sum of its proper divisors (25246375096700).

30561401432644 is a wasteful number, since it uses less digits than its factorization.

30561401432644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332189146034 (or 332189146032 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The spelling of 30561401432644 in words is "thirty trillion, five hundred sixty-one billion, four hundred one million, four hundred thirty-two thousand, six hundred forty-four".