30002543542 has 16 divisors (see below), whose sum is σ = 45261240192. Its totient is φ = 14915629440.

The previous prime is 30002543507. The next prime is 30002543621. The reversal of 30002543542 is 24534520003.

It is a self number, because there is not a number n which added to its sum of digits gives 30002543542.

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, 325198 + ... + 407134.

It is an arithmetic number, because the mean of its divisors is an integer number (2828827512).

Almost surely, 2^30002543542 is an apocalyptic number.

30002543542 is a deficient number, since it is larger than the sum of its proper divisors (15258696650).

30002543542 is a wasteful number, since it uses less digits than its factorization.

30002543542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82983.

The product of its (nonzero) digits is 14400, while the sum is 28.

The spelling of 30002543542 in words is "thirty billion, two million, five hundred forty-three thousand, five hundred forty-two".