10002444621620 has 48 divisors (see below), whose sum is σ = 22916695411008. Its totient is φ = 3636934479360.

The previous prime is 10002444621539. The next prime is 10002444621667. The reversal of 10002444621620 is 2612644420001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 540284 + ... + 4505196.

It is an arithmetic number, because the mean of its divisors is an integer number (477431154396).

Almost surely, 2^{10002444621620} is an apocalyptic number.

10002444621620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10002444621620 is an abundant number, since it is smaller than the sum of its proper divisors (12914250789388).

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

10002444621620 is a wasteful number, since it uses less digits than its factorization.

10002444621620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3976400 (or 3976398 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The spelling of 10002444621620 in words is "ten trillion, two billion, four hundred forty-four million, six hundred twenty-one thousand, six hundred twenty".