240402320436 has 48 divisors (see below), whose sum is σ = 573541678080. Its totient is φ = 78337665120.

The previous prime is 240402320381. The next prime is 240402320437. The reversal of 240402320436 is 634023204042.

240402320436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240402320437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 236371 + ... + 732581.

It is an arithmetic number, because the mean of its divisors is an integer number (11948784960).

Almost surely, 2^240402320436 is an apocalyptic number.

It is an amenable number.

240402320436 is an abundant number, since it is smaller than the sum of its proper divisors (333139357644).

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

240402320436 is a wasteful number, since it uses less digits than its factorization.

240402320436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497124 (or 497122 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 240402320436 its reverse (634023204042), we get a palindrome (874425524478).

The spelling of 240402320436 in words is "two hundred forty billion, four hundred two million, three hundred twenty thousand, four hundred thirty-six".