30042247515 has 64 divisors (see below), whose sum is σ = 55598607360. Its totient is φ = 13568555520.

The previous prime is 30042247513. The next prime is 30042247531. The reversal of 30042247515 is 51574224003.

It is not a de Polignac number, because 30042247515 - 2¹ = 30042247513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30042247513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2945725 + ... + 2955905.

It is an arithmetic number, because the mean of its divisors is an integer number (868728240).

Almost surely, 2^30042247515 is an apocalyptic number.

30042247515 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30042247515 is a deficient number, since it is larger than the sum of its proper divisors (25556359845).

30042247515 is a wasteful number, since it uses less digits than its factorization.

30042247515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10532.

The product of its (nonzero) digits is 33600, while the sum is 33.

The spelling of 30042247515 in words is "thirty billion, forty-two million, two hundred forty-seven thousand, five hundred fifteen".