127440486 has 64 divisors (see below), whose sum is σ = 299980800. Its totient is φ = 39991968.

The previous prime is 127440479. The next prime is 127440503. The reversal of 127440486 is 684044721.

It is a self number, because there is not a number n which added to its sum of digits gives 127440486.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228520 + ... + 229076.

It is an arithmetic number, because the mean of its divisors is an integer number (4687200).

Almost surely, 2^127440486 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 127440486, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149990400).

127440486 is an abundant number, since it is smaller than the sum of its proper divisors (172540314).

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

127440486 is a wasteful number, since it uses less digits than its factorization.

127440486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 804 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 127440486 is about 11288.9541588227. The cubic root of 127440486 is about 503.2330312930.

The spelling of 127440486 in words is "one hundred twenty-seven million, four hundred forty thousand, four hundred eighty-six".