8404378208001 has 16 divisors (see below), whose sum is σ = 12787442320000. Its totient is φ = 5451488566704.

The previous prime is 8404378207937. The next prime is 8404378208027. The reversal of 8404378208001 is 1008028734048.

8404378208001 is a `hidden beast` number, since 8 + 4 + 0 + 437 + 8 + 208 + 0 + 0 + 1 = 666.

It is not a de Polignac number, because 8404378208001 - 2⁶ = 8404378207937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8404378208081) 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, 4206394501 + ... + 4206396498.

It is an arithmetic number, because the mean of its divisors is an integer number (799215145000).

Almost surely, 2^{8404378208001} is an apocalyptic number.

It is an amenable number.

8404378208001 is a deficient number, since it is larger than the sum of its proper divisors (4383064111999).

8404378208001 is a wasteful number, since it uses less digits than its factorization.

8404378208001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8412791045 (or 8412791039 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 8404378208001 in words is "eight trillion, four hundred four billion, three hundred seventy-eight million, two hundred eight thousand, one".