244242240420 has 48 divisors (see below), whose sum is σ = 688234212288. Its totient is φ = 64716412800.

The previous prime is 244242240413. The next prime is 244242240443. The reversal of 244242240420 is 24042242442.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12954606 + ... + 12973445.

It is an arithmetic number, because the mean of its divisors is an integer number (14338212756).

Almost surely, 2^244242240420 is an apocalyptic number.

244242240420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244242240420 is an abundant number, since it is smaller than the sum of its proper divisors (443991971868).

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

244242240420 is a wasteful number, since it uses less digits than its factorization.

244242240420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25928220 (or 25928218 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 244242240420 its reverse (24042242442), we get a palindrome (268284482862).

It can be divided in two parts, 2442422 and 40420, that added together give a palindrome (2482842).

The spelling of 244242240420 in words is "two hundred forty-four billion, two hundred forty-two million, two hundred forty thousand, four hundred twenty".