403426080 has 144 divisors (see below), whose sum is σ = 1382976504. Its totient is φ = 107089920.

The previous prime is 403426063. The next prime is 403426087. The reversal of 403426080 is 80624304.

It can be written as a sum of positive squares in 4 ways, for example, as 391564944 + 11861136 = 19788^2 + 3444^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (403426087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404142 + ... + 405138.

Almost surely, 2^403426080 is an apocalyptic number.

403426080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403426080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691488252).

403426080 is an abundant number, since it is smaller than the sum of its proper divisors (979550424).

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

403426080 is a wasteful number, since it uses less digits than its factorization.

403426080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1299 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 403426080 is about 20085.4693746499. The cubic root of 403426080 is about 738.9039532442.

The spelling of 403426080 in words is "four hundred three million, four hundred twenty-six thousand, eighty".