127664040004 has 48 divisors (see below), whose sum is σ = 245789873280. Its totient is φ = 57749834240.

The previous prime is 127664039999. The next prime is 127664040043. The reversal of 127664040004 is 400040466721.

It is a super-2 number, since 2×127664040004² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 305049 + ... + 590239.

It is an arithmetic number, because the mean of its divisors is an integer number (5120622360).

Almost surely, 2^127664040004 is an apocalyptic number.

It is an amenable number.

127664040004 is a deficient number, since it is larger than the sum of its proper divisors (118125833276).

127664040004 is a wasteful number, since it uses less digits than its factorization.

127664040004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285468 (or 285466 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 127664040004 in words is "one hundred twenty-seven billion, six hundred sixty-four million, forty thousand, four".