30898140436 has 12 divisors (see below), whose sum is σ = 54196625812. Its totient is φ = 15413390208.

The previous prime is 30898140431. The next prime is 30898140439. The reversal of 30898140436 is 63404189803.

It can be written as a sum of positive squares in 2 ways, for example, as 9456395536 + 21441744900 = 97244^2 + 146430^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30898140431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8918055 + ... + 8921518.

Almost surely, 2^30898140436 is an apocalyptic number.

It is an amenable number.

30898140436 is a deficient number, since it is larger than the sum of its proper divisors (23298485376).

30898140436 is a wasteful number, since it uses less digits than its factorization.

30898140436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17840010 (or 17840008 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 46.

The spelling of 30898140436 in words is "thirty billion, eight hundred ninety-eight million, one hundred forty thousand, four hundred thirty-six".