10144256620 has 24 divisors (see below), whose sum is σ = 21398477184. Its totient is φ = 4039504896.

The previous prime is 10144256593. The next prime is 10144256621. The reversal of 10144256620 is 2665244101.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (10144256621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1132789 + ... + 1141708.

It is an arithmetic number, because the mean of its divisors is an integer number (891603216).

Almost surely, 2^10144256620 is an apocalyptic number.

10144256620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10144256620 is an abundant number, since it is smaller than the sum of its proper divisors (11254220564).

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

10144256620 is a wasteful number, since it uses less digits than its factorization.

10144256620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2274729 (or 2274727 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The spelling of 10144256620 in words is "ten billion, one hundred forty-four million, two hundred fifty-six thousand, six hundred twenty".