80400426817000 has 64 divisors (see below), whose sum is σ = 188229272774400. Its totient is φ = 32144397390400.

The previous prime is 80400426816973. The next prime is 80400426817063. The reversal of 80400426817000 is 71862400408.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 17676652 + ... + 21754651.

It is an arithmetic number, because the mean of its divisors is an integer number (2941082387100).

Almost surely, 2^{80400426817000} is an apocalyptic number.

It is an amenable number.

80400426817000 is an abundant number, since it is smaller than the sum of its proper divisors (107828845957400).

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

80400426817000 is a wasteful number, since it uses less digits than its factorization.

80400426817000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39433363 (or 39433349 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 80400426817000 in words is "eighty trillion, four hundred billion, four hundred twenty-six million, eight hundred seventeen thousand".