30520040041 has 8 divisors (see below), whose sum is σ = 32324144040. Its totient is φ = 28716914688.

The previous prime is 30520040021. The next prime is 30520040053. The reversal of 30520040041 is 14004002503.

It can be written as a sum of positive squares in 4 ways, for example, as 7207330816 + 23312709225 = 84896^2 + 152685^2 .

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 30520040041 - 2¹¹ = 30520037993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30520040011) 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, 179956 + ... + 305653.

It is an arithmetic number, because the mean of its divisors is an integer number (4040518005).

Almost surely, 2^30520040041 is an apocalyptic number.

It is an amenable number.

30520040041 is a deficient number, since it is larger than the sum of its proper divisors (1804103999).

30520040041 is a wasteful number, since it uses less digits than its factorization.

30520040041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489323.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 30520040041 its reverse (14004002503), we get a palindrome (44524042544).

The spelling of 30520040041 in words is "thirty billion, five hundred twenty million, forty thousand, forty-one".