6445405394150 has 24 divisors (see below), whose sum is σ = 12619425299880. Its totient is φ = 2442469412160.

The previous prime is 6445405394149. The next prime is 6445405394159. The reversal of 6445405394150 is 514935045446.

It is a Harshad number since it is a multiple of its sum of digits (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6445405394159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3392317679 + ... + 3392319578.

It is an arithmetic number, because the mean of its divisors is an integer number (525809387495).

Almost surely, 2^{6445405394150} is an apocalyptic number.

6445405394150 is a deficient number, since it is larger than the sum of its proper divisors (6174019905730).

6445405394150 is a wasteful number, since it uses less digits than its factorization.

6445405394150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6784637288 (or 6784637283 counting only the distinct ones).

The product of its (nonzero) digits is 5184000, while the sum is 50.

The spelling of 6445405394150 in words is "six trillion, four hundred forty-five billion, four hundred five million, three hundred ninety-four thousand, one hundred fifty".