30255394142 has 16 divisors (see below), whose sum is σ = 46099351392. Its totient is φ = 14889795840.

The previous prime is 30255394121. The next prime is 30255394153. The reversal of 30255394142 is 24149355203.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 30255394096 and 30255394105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141659 + ... + 283862.

It is an arithmetic number, because the mean of its divisors is an integer number (2881209462).

Almost surely, 2^30255394142 is an apocalyptic number.

30255394142 is a deficient number, since it is larger than the sum of its proper divisors (15843957250).

30255394142 is a wasteful number, since it uses less digits than its factorization.

30255394142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426083.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 30255394142 in words is "thirty billion, two hundred fifty-five million, three hundred ninety-four thousand, one hundred forty-two".