30040421742 has 12 divisors (see below), whose sum is σ = 65087580480. Its totient is φ = 10013473908.

The previous prime is 30040421731. The next prime is 30040421813. The reversal of 30040421742 is 24712404003.

30040421742 is a `hidden beast` number, since 3 + 0 + 0 + 404 + 217 + 42 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 834456142 + ... + 834456177.

It is an arithmetic number, because the mean of its divisors is an integer number (5423965040).

Almost surely, 2^30040421742 is an apocalyptic number.

30040421742 is an abundant number, since it is smaller than the sum of its proper divisors (35047158738).

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

30040421742 is a wasteful number, since it uses less digits than its factorization.

30040421742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1668912327 (or 1668912324 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 30040421742 its reverse (24712404003), we get a palindrome (54752825745).

The spelling of 30040421742 in words is "thirty billion, forty million, four hundred twenty-one thousand, seven hundred forty-two".