800848142440 has 32 divisors (see below), whose sum is σ = 1805031263880. Its totient is φ = 319784067072.

The previous prime is 800848142407. The next prime is 800848142441. The reversal of 800848142440 is 44241848008.

It can be written as a sum of positive squares in 4 ways, for example, as 798867714436 + 1980428004 = 893794^2 + 44502^2 .

It is not an unprimeable number, because it can be changed into a prime (800848142441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17326317 + ... + 17372476.

Almost surely, 2^800848142440 is an apocalyptic number.

It is an amenable number.

800848142440 is an abundant number, since it is smaller than the sum of its proper divisors (1004183121440).

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

800848142440 is a wasteful number, since it uses less digits than its factorization.

800848142440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34699381 (or 34699377 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 43.

The spelling of 800848142440 in words is "eight hundred billion, eight hundred forty-eight million, one hundred forty-two thousand, four hundred forty".