804426240 has 80 divisors (see below), whose sum is σ = 2571674688. Its totient is φ = 214511616.

The previous prime is 804426167. The next prime is 804426251. The reversal of 804426240 is 42624408.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 804426198 and 804426207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44692 + ... + 60051.

Almost surely, 2^804426240 is an apocalyptic number.

804426240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

804426240 is an abundant number, since it is smaller than the sum of its proper divisors (1767248448).

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

804426240 is a wasteful number, since it uses less digits than its factorization.

804426240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104769 (or 104753 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 804426240 is about 28362.4089244902. The cubic root of 804426240 is about 930.0266844003.

The spelling of 804426240 in words is "eight hundred four million, four hundred twenty-six thousand, two hundred forty".