30240220232545 has 64 divisors (see below), whose sum is σ = 39335952384000. Its totient is φ = 22248642366720.

The previous prime is 30240220232527. The next prime is 30240220232549. The reversal of 30240220232545 is 54523202204203.

It is not a de Polignac number, because 30240220232545 - 2¹³ = 30240220224353 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30240220232545.

It is not an unprimeable number, because it can be changed into a prime (30240220232549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 120319360 + ... + 120570430.

It is an arithmetic number, because the mean of its divisors is an integer number (614624256000).

Almost surely, 2^{30240220232545} is an apocalyptic number.

It is an amenable number.

30240220232545 is a deficient number, since it is larger than the sum of its proper divisors (9095732151455).

30240220232545 is a wasteful number, since it uses less digits than its factorization.

30240220232545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251438.

The product of its (nonzero) digits is 115200, while the sum is 34.

Adding to 30240220232545 its reverse (54523202204203), we get a palindrome (84763422436748).

The spelling of 30240220232545 in words is "thirty trillion, two hundred forty billion, two hundred twenty million, two hundred thirty-two thousand, five hundred forty-five".