30142000392 has 32 divisors (see below), whose sum is σ = 86120001600. Its totient is φ = 8612000064.

The previous prime is 30142000313. The next prime is 30142000393. The reversal of 30142000392 is 29300024103.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (30142000393) 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, 89708167 + ... + 89708502.

It is an arithmetic number, because the mean of its divisors is an integer number (2691250050).

Almost surely, 2^30142000392 is an apocalyptic number.

It is an amenable number.

30142000392 is an abundant number, since it is smaller than the sum of its proper divisors (55978001208).

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

30142000392 is a wasteful number, since it uses less digits than its factorization.

30142000392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179416685 (or 179416681 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 30142000392 its reverse (29300024103), we get a palindrome (59442024495).

The spelling of 30142000392 in words is "thirty billion, one hundred forty-two million, three hundred ninety-two", and thus it is an aban number.