30845407755 has 32 divisors (see below), whose sum is σ = 51647030784. Its totient is φ = 15690219776.

The previous prime is 30845407729. The next prime is 30845407757. The reversal of 30845407755 is 55770454803.

It is a cyclic number.

It is not a de Polignac number, because 30845407755 - 2¹⁰ = 30845406731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30845407757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9114 + ... + 248543.

It is an arithmetic number, because the mean of its divisors is an integer number (1613969712).

Almost surely, 2^30845407755 is an apocalyptic number.

30845407755 is a deficient number, since it is larger than the sum of its proper divisors (20801623029).

30845407755 is a wasteful number, since it uses less digits than its factorization.

30845407755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258035.

The product of its (nonzero) digits is 2352000, while the sum is 48.

The spelling of 30845407755 in words is "thirty billion, eight hundred forty-five million, four hundred seven thousand, seven hundred fifty-five".