30542723420 has 48 divisors (see below), whose sum is σ = 69997199328. Its totient is φ = 11102223360.

The previous prime is 30542723417. The next prime is 30542723423. The reversal of 30542723420 is 2432724503.

It is an interprime number because it is at equal distance from previous prime (30542723417) and next prime (30542723423).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30542723423) 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, 585944 + ... + 635936.

It is an arithmetic number, because the mean of its divisors is an integer number (1458274986).

Almost surely, 2^30542723420 is an apocalyptic number.

It is an amenable number.

30542723420 is an abundant number, since it is smaller than the sum of its proper divisors (39454475908).

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

30542723420 is a wasteful number, since it uses less digits than its factorization.

30542723420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52790 (or 52788 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 32.

The spelling of 30542723420 in words is "thirty billion, five hundred forty-two million, seven hundred twenty-three thousand, four hundred twenty".