30040187708 has 6 divisors (see below), whose sum is σ = 52570328496. Its totient is φ = 15020093852.

The previous prime is 30040187707. The next prime is 30040187719. The reversal of 30040187708 is 80778104003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30040187707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3755023460 + ... + 3755023467.

It is an arithmetic number, because the mean of its divisors is an integer number (8761721416).

Almost surely, 2^30040187708 is an apocalyptic number.

It is an amenable number.

30040187708 is a deficient number, since it is larger than the sum of its proper divisors (22530140788).

30040187708 is a wasteful number, since it uses less digits than its factorization.

30040187708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7510046931 (or 7510046929 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 38.

The spelling of 30040187708 in words is "thirty billion, forty million, one hundred eighty-seven thousand, seven hundred eight".