30491812632 has 64 divisors (see below), whose sum is σ = 79565472000. Its totient is φ = 9719385984.

The previous prime is 30491812601. The next prime is 30491812639. The reversal of 30491812632 is 23621819403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30491812639) 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, 3566619 + ... + 3575157.

It is an arithmetic number, because the mean of its divisors is an integer number (1243210500).

Almost surely, 2^30491812632 is an apocalyptic number.

It is an amenable number.

30491812632 is an abundant number, since it is smaller than the sum of its proper divisors (49073659368).

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

30491812632 is a wasteful number, since it uses less digits than its factorization.

30491812632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040 (or 15036 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 30491812632 in words is "thirty billion, four hundred ninety-one million, eight hundred twelve thousand, six hundred thirty-two".