800401626 has 12 divisors (see below), whose sum is σ = 1734203562. Its totient is φ = 266800536.

The previous prime is 800401607. The next prime is 800401639. The reversal of 800401626 is 626104008.

It can be written as a sum of positive squares in only one way, i.e., 794394225 + 6007401 = 28185^2 + 2451^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 800401626.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22233361 + ... + 22233396.

Almost surely, 2^800401626 is an apocalyptic number.

800401626 is an abundant number, since it is smaller than the sum of its proper divisors (933801936).

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

800401626 is a wasteful number, since it uses less digits than its factorization.

800401626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44466765 (or 44466762 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 800401626 is about 28291.3701683040. The cubic root of 800401626 is about 928.4730892962.

The spelling of 800401626 in words is "eight hundred million, four hundred one thousand, six hundred twenty-six".