240200402420 has 48 divisors (see below), whose sum is σ = 561985337088. Its totient is φ = 85487180160.

The previous prime is 240200402269. The next prime is 240200402437. The reversal of 240200402420 is 24204002042.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 240200402392 and 240200402401.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11604767 + ... + 11625446.

It is an arithmetic number, because the mean of its divisors is an integer number (11708027856).

Almost surely, 2^240200402420 is an apocalyptic number.

240200402420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240200402420 is an abundant number, since it is smaller than the sum of its proper divisors (321784934668).

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

240200402420 is a wasteful number, since it uses less digits than its factorization.

240200402420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23230280 (or 23230278 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 240200402420 its reverse (24204002042), we get a palindrome (264404404462).

The spelling of 240200402420 in words is "two hundred forty billion, two hundred million, four hundred two thousand, four hundred twenty".