127740803520 has 336 divisors, whose sum is σ = 454232772000. Its totient is φ = 30381711360.

The previous prime is 127740803507. The next prime is 127740803549. The reversal of 127740803520 is 25308047721.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6146106 + ... + 6166854.

It is an arithmetic number, because the mean of its divisors is an integer number (1351883250).

Almost surely, 2^127740803520 is an apocalyptic number.

127740803520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127740803520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227116386000).

127740803520 is an abundant number, since it is smaller than the sum of its proper divisors (326491968480).

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

127740803520 is a wasteful number, since it uses less digits than its factorization.

127740803520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20844 (or 20823 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The spelling of 127740803520 in words is "one hundred twenty-seven billion, seven hundred forty million, eight hundred three thousand, five hundred twenty".