30655851272 has 36 divisors (see below), whose sum is σ = 58139933085. Its totient is φ = 15153854400.

The previous prime is 30655851271. The next prime is 30655851287. The reversal of 30655851272 is 27215855603.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 26551398916 + 4104452356 = 162946^2 + 64066^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=123806.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30655851271) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 51007772 + ... + 51008372.

Almost surely, 2^30655851272 is an apocalyptic number.

It is an amenable number.

30655851272 is a deficient number, since it is larger than the sum of its proper divisors (27484081813).

30655851272 is an frugal number, since it uses more digits than its factorization.

30655851272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 44.

The spelling of 30655851272 in words is "thirty billion, six hundred fifty-five million, eight hundred fifty-one thousand, two hundred seventy-two".