30142133040 has 40 divisors (see below), whose sum is σ = 93440613168. Its totient is φ = 8037902080.

The previous prime is 30142133017. The next prime is 30142133081. The reversal of 30142133040 is 4033124103.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 30142132998 and 30142133016.

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, 62795871 + ... + 62796350.

Almost surely, 2^30142133040 is an apocalyptic number.

30142133040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

30142133040 is an abundant number, since it is smaller than the sum of its proper divisors (63298480128).

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

30142133040 is a wasteful number, since it uses less digits than its factorization.

30142133040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125592237 (or 125592231 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 30142133040 its reverse (4033124103), we get a palindrome (34175257143).

The spelling of 30142133040 in words is "thirty billion, one hundred forty-two million, one hundred thirty-three thousand, forty".