30642116440 has 64 divisors (see below), whose sum is σ = 74942249760. Its totient is φ = 11208253440.

The previous prime is 30642116399. The next prime is 30642116447. The reversal of 30642116440 is 4461124603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30642116447) 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 15 ways as a sum of consecutive naturals, for example, 219721 + ... + 331000.

Almost surely, 2^30642116440 is an apocalyptic number.

It is an amenable number.

30642116440 is an abundant number, since it is smaller than the sum of its proper divisors (44300133320).

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

30642116440 is a wasteful number, since it uses less digits than its factorization.

30642116440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550852 (or 550848 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 30642116440 in words is "thirty billion, six hundred forty-two million, one hundred sixteen thousand, four hundred forty".