6400190768378 has 32 divisors (see below), whose sum is σ = 10554310126080. Its totient is φ = 2886625946160.

The previous prime is 6400190768327. The next prime is 6400190768507. The reversal of 6400190768378 is 8738670910046.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4865501 + ... + 6039327.

It is an arithmetic number, because the mean of its divisors is an integer number (329822191440).

Almost surely, 2^{6400190768378} is an apocalyptic number.

6400190768378 is a deficient number, since it is larger than the sum of its proper divisors (4154119357702).

6400190768378 is a wasteful number, since it uses less digits than its factorization.

6400190768378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175762.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The spelling of 6400190768378 in words is "six trillion, four hundred billion, one hundred ninety million, seven hundred sixty-eight thousand, three hundred seventy-eight".