240424414421 has 24 divisors (see below), whose sum is σ = 266135586120. Its totient is φ = 216883208192.

The previous prime is 240424414403. The next prime is 240424414459. The reversal of 240424414421 is 124414424042.

It can be written as a sum of positive squares in 12 ways, for example, as 118570321 + 240305844100 = 10889^2 + 490210^2 .

It is not a de Polignac number, because 240424414421 - 2⁶ = 240424414357 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 (240424414481) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1043501 + ... + 1252893.

It is an arithmetic number, because the mean of its divisors is an integer number (11088982755).

Almost surely, 2^240424414421 is an apocalyptic number.

It is an amenable number.

240424414421 is a deficient number, since it is larger than the sum of its proper divisors (25711171699).

240424414421 is a wasteful number, since it uses less digits than its factorization.

240424414421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209593 (or 209576 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

Adding to 240424414421 its reverse (124414424042), we get a palindrome (364838838463).

The spelling of 240424414421 in words is "two hundred forty billion, four hundred twenty-four million, four hundred fourteen thousand, four hundred twenty-one".