244406460820 has 48 divisors (see below), whose sum is σ = 517535500608. Its totient is φ = 96949612800.

The previous prime is 244406460737. The next prime is 244406460847. The reversal of 244406460820 is 28064604442.

It is a happy number.

It is a congruent number.

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, 1407795 + ... + 1571845.

It is an arithmetic number, because the mean of its divisors is an integer number (10781989596).

Almost surely, 2^244406460820 is an apocalyptic number.

244406460820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244406460820 is an abundant number, since it is smaller than the sum of its proper divisors (273129039788).

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

244406460820 is a wasteful number, since it uses less digits than its factorization.

244406460820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164680 (or 164678 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 40.

The spelling of 244406460820 in words is "two hundred forty-four billion, four hundred six million, four hundred sixty thousand, eight hundred twenty".