30840237215939 has 8 divisors (see below), whose sum is σ = 30848497957200. Its totient is φ = 30831976842336.

The previous prime is 30840237215923. The next prime is 30840237215941. The reversal of 30840237215939 is 93951273204803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30840237215939 - 2⁴ = 30840237215923 is a prime.

It is a super-2 number, since 2×30840237215939² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30840237215969) 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, 272006249 + ... + 272119605.

It is an arithmetic number, because the mean of its divisors is an integer number (3856062244650).

Almost surely, 2^{30840237215939} is an apocalyptic number.

30840237215939 is a deficient number, since it is larger than the sum of its proper divisors (8260741261).

30840237215939 is a wasteful number, since it uses less digits than its factorization.

30840237215939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183829.

The product of its (nonzero) digits is 9797760, while the sum is 56.

The spelling of 30840237215939 in words is "thirty trillion, eight hundred forty billion, two hundred thirty-seven million, two hundred fifteen thousand, nine hundred thirty-nine".