30557678944628 has 12 divisors (see below), whose sum is σ = 58337387076192. Its totient is φ = 13889854065720.

The previous prime is 30557678944577. The next prime is 30557678944631. The reversal of 30557678944628 is 82644987675503.

It is a super-2 number, since 2×30557678944628² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

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, 347246351600 + ... + 347246351687.

It is an arithmetic number, because the mean of its divisors is an integer number (4861448923016).

Almost surely, 2^{30557678944628} is an apocalyptic number.

It is an amenable number.

30557678944628 is a deficient number, since it is larger than the sum of its proper divisors (27779708131564).

30557678944628 is a wasteful number, since it uses less digits than its factorization.

30557678944628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694492703302 (or 694492703300 counting only the distinct ones).

The product of its (nonzero) digits is 2438553600, while the sum is 74.

The spelling of 30557678944628 in words is "thirty trillion, five hundred fifty-seven billion, six hundred seventy-eight million, nine hundred forty-four thousand, six hundred twenty-eight".