127640650602 has 64 divisors (see below), whose sum is σ = 271228354560. Its totient is φ = 39986481600.

The previous prime is 127640650531. The next prime is 127640650603. The reversal of 127640650602 is 206056046721.

It is a super-2 number, since 2×127640650602² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (127640650603) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 825133 + ... + 967535.

It is an arithmetic number, because the mean of its divisors is an integer number (4237943040).

Almost surely, 2^127640650602 is an apocalyptic number.

127640650602 is an abundant number, since it is smaller than the sum of its proper divisors (143587703958).

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

127640650602 is a wasteful number, since it uses less digits than its factorization.

127640650602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142579.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 127640650602 in words is "one hundred twenty-seven billion, six hundred forty million, six hundred fifty thousand, six hundred two".