800073601640 has 32 divisors (see below), whose sum is σ = 1809211680000. Its totient is φ = 318421249344.

The previous prime is 800073601637. The next prime is 800073601669. The reversal of 800073601640 is 46106370008.

It is a self number, because there is not a number n which added to its sum of digits gives 800073601640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50247920 + ... + 50263839.

It is an arithmetic number, because the mean of its divisors is an integer number (56537865000).

Almost surely, 2^800073601640 is an apocalyptic number.

It is an amenable number.

800073601640 is an abundant number, since it is smaller than the sum of its proper divisors (1009138078360).

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

800073601640 is a wasteful number, since it uses less digits than its factorization.

800073601640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100511969 (or 100511965 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

Adding to 800073601640 its reverse (46106370008), we get a palindrome (846179971648).

The spelling of 800073601640 in words is "eight hundred billion, seventy-three million, six hundred one thousand, six hundred forty".