244257871380 has 48 divisors (see below), whose sum is σ = 707505563520. Its totient is φ = 62889382528.

The previous prime is 244257871313. The next prime is 244257871421. The reversal of 244257871380 is 83178752442.

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, 70187304 + ... + 70190783.

It is an arithmetic number, because the mean of its divisors is an integer number (14739699240).

Almost surely, 2^244257871380 is an apocalyptic number.

244257871380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244257871380 is an abundant number, since it is smaller than the sum of its proper divisors (463247692140).

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

244257871380 is a wasteful number, since it uses less digits than its factorization.

244257871380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140378128 (or 140378126 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 51.

The spelling of 244257871380 in words is "two hundred forty-four billion, two hundred fifty-seven million, eight hundred seventy-one thousand, three hundred eighty".