240420524320 has 48 divisors (see below), whose sum is σ = 575774249400. Its totient is φ = 94850832384.

The previous prime is 240420524299. The next prime is 240420524321. The reversal of 240420524320 is 23425024042.

It can be written as a sum of positive squares in 4 ways, for example, as 233022460176 + 7398064144 = 482724^2 + 86012^2 .

It is a super-2 number, since 2×240420524320² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (240420524321) 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, 10280295 + ... + 10303654.

Almost surely, 2^240420524320 is an apocalyptic number.

240420524320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240420524320 is an abundant number, since it is smaller than the sum of its proper divisors (335353725080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

240420524320 is a wasteful number, since it uses less digits than its factorization.

240420524320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20584037 (or 20584029 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 28.

Adding to 240420524320 its reverse (23425024042), we get a palindrome (263845548362).

The spelling of 240420524320 in words is "two hundred forty billion, four hundred twenty million, five hundred twenty-four thousand, three hundred twenty".