30840980555 has 32 divisors (see below), whose sum is σ = 47388395520. Its totient is φ = 18705928320.

The previous prime is 30840980551. The next prime is 30840980567. The reversal of 30840980555 is 55508904803.

It is not a de Polignac number, because 30840980555 - 2² = 30840980551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30840980551) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1068275 + ... + 1096764.

It is an arithmetic number, because the mean of its divisors is an integer number (1480887360).

Almost surely, 2^30840980555 is an apocalyptic number.

30840980555 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30840980555 is a deficient number, since it is larger than the sum of its proper divisors (16547414965).

30840980555 is a wasteful number, since it uses less digits than its factorization.

30840980555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165099.

The product of its (nonzero) digits is 864000, while the sum is 47.

The spelling of 30840980555 in words is "thirty billion, eight hundred forty million, nine hundred eighty thousand, five hundred fifty-five".