30254123742 has 16 divisors (see below), whose sum is σ = 60514979472. Its totient is φ = 10083585920.

The previous prime is 30254123741. The next prime is 30254123747. The reversal of 30254123742 is 24732145203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30254123741) 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, 221109 + ... + 330752.

It is an arithmetic number, because the mean of its divisors is an integer number (3782186217).

Almost surely, 2^30254123742 is an apocalyptic number.

30254123742 is an abundant number, since it is smaller than the sum of its proper divisors (30260855730).

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

30254123742 is a wasteful number, since it uses less digits than its factorization.

30254123742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561003.

The product of its (nonzero) digits is 40320, while the sum is 33.

Adding to 30254123742 its reverse (24732145203), we get a palindrome (54986268945).

The spelling of 30254123742 in words is "thirty billion, two hundred fifty-four million, one hundred twenty-three thousand, seven hundred forty-two".