403266980 has 24 divisors (see below), whose sum is σ = 867517560. Its totient is φ = 157372160.

The previous prime is 403266971. The next prime is 403266989. The reversal of 403266980 is 89662304.

It is an interprime number because it is at equal distance from previous prime (403266971) and next prime (403266989).

It can be written as a sum of positive squares in 4 ways, for example, as 25664356 + 377602624 = 5066^2 + 19432^2 .

It is not an unprimeable number, because it can be changed into a prime (403266989) 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, 245075 + ... + 246714.

It is an arithmetic number, because the mean of its divisors is an integer number (36146565).

Almost surely, 2^403266980 is an apocalyptic number.

It is an amenable number.

403266980 is an abundant number, since it is smaller than the sum of its proper divisors (464250580).

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

403266980 is a wasteful number, since it uses less digits than its factorization.

403266980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491839 (or 491837 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 403266980 is about 20081.5084094796. The cubic root of 403266980 is about 738.8068060986.

The spelling of 403266980 in words is "four hundred three million, two hundred sixty-six thousand, nine hundred eighty".