30268868508 has 24 divisors (see below), whose sum is σ = 78474844560. Its totient is φ = 10089622800.

The previous prime is 30268868507. The next prime is 30268868521. The reversal of 30268868508 is 80586886203.

30268868508 is a `hidden beast` number, since 30 + 26 + 8 + 86 + 8 + 508 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30268868507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140133543 + ... + 140133758.

It is an arithmetic number, because the mean of its divisors is an integer number (3269785190).

Almost surely, 2^30268868508 is an apocalyptic number.

It is an amenable number.

30268868508 is an abundant number, since it is smaller than the sum of its proper divisors (48205976052).

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

30268868508 is a wasteful number, since it uses less digits than its factorization.

30268868508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280267314 (or 280267306 counting only the distinct ones).

The product of its (nonzero) digits is 4423680, while the sum is 54.

The spelling of 30268868508 in words is "thirty billion, two hundred sixty-eight million, eight hundred sixty-eight thousand, five hundred eight".