30542140024 has 32 divisors (see below), whose sum is σ = 66147418800. Its totient is φ = 13066155520.

The previous prime is 30542140021. The next prime is 30542140033. The reversal of 30542140024 is 42004124503.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30542140021) 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, 10206439 + ... + 10209430.

Almost surely, 2^30542140024 is an apocalyptic number.

30542140024 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

30542140024 is an abundant number, since it is smaller than the sum of its proper divisors (35605278776).

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

30542140024 is a wasteful number, since it uses less digits than its factorization.

30542140024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20415903 (or 20415899 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 30542140024 its reverse (42004124503), we get a palindrome (72546264527).

The spelling of 30542140024 in words is "thirty billion, five hundred forty-two million, one hundred forty thousand, twenty-four".