127988800240 has 80 divisors (see below), whose sum is σ = 340207814592. Its totient is φ = 43865966592.

The previous prime is 127988800207. The next prime is 127988800243. The reversal of 127988800240 is 42008889721.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×127988800240² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127988800243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1559922 + ... + 1639918.

Almost surely, 2^127988800240 is an apocalyptic number.

127988800240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

127988800240 is an abundant number, since it is smaller than the sum of its proper divisors (212219014352).

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

127988800240 is a wasteful number, since it uses less digits than its factorization.

127988800240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82874 (or 82868 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 49.

The spelling of 127988800240 in words is "one hundred twenty-seven billion, nine hundred eighty-eight million, eight hundred thousand, two hundred forty".