30240244140421 has 16 divisors (see below), whose sum is σ = 36797668122240. Its totient is φ = 24259203394560.

The previous prime is 30240244140401. The next prime is 30240244140433. The reversal of 30240244140421 is 12404144204203.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 30240244140421 - 2²⁵ = 30240210585989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30240244140401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 709810260 + ... + 709852861.

It is an arithmetic number, because the mean of its divisors is an integer number (2299854257640).

Almost surely, 2^{30240244140421} is an apocalyptic number.

It is an amenable number.

30240244140421 is a deficient number, since it is larger than the sum of its proper divisors (6557423981819).

30240244140421 is a wasteful number, since it uses less digits than its factorization.

30240244140421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1419663324.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 30240244140421 its reverse (12404144204203), we get a palindrome (42644388344624).

The spelling of 30240244140421 in words is "thirty trillion, two hundred forty billion, two hundred forty-four million, one hundred forty thousand, four hundred twenty-one".