30698316240 has 80 divisors (see below), whose sum is σ = 96468462528. Its totient is φ = 8074073088.

The previous prime is 30698316193. The next prime is 30698316247. The reversal of 30698316240 is 4261389603.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 30698316192 and 30698316201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30698316247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 858574 + ... + 893613.

Almost surely, 2^30698316240 is an apocalyptic number.

30698316240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30698316240 is an abundant number, since it is smaller than the sum of its proper divisors (65770146288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30698316240 is a wasteful number, since it uses less digits than its factorization.

30698316240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1752276 (or 1752270 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 30698316240 in words is "thirty billion, six hundred ninety-eight million, three hundred sixteen thousand, two hundred forty".