403205264 has 40 divisors (see below), whose sum is σ = 973979328. Its totient is φ = 157092480.

The previous prime is 403205261. The next prime is 403205267. The reversal of 403205264 is 462502304.

It is an interprime number because it is at equal distance from previous prime (403205261) and next prime (403205267).

It is not an unprimeable number, because it can be changed into a prime (403205261) 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, 162407 + ... + 164870.

Almost surely, 2^403205264 is an apocalyptic number.

403205264 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

403205264 is an abundant number, since it is smaller than the sum of its proper divisors (570774064).

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

403205264 is a wasteful number, since it uses less digits than its factorization.

403205264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327303 (or 327297 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 403205264 is about 20079.9717131275. The cubic root of 403205264 is about 738.7691151649.

Adding to 403205264 its reverse (462502304), we get a palindrome (865707568).

The spelling of 403205264 in words is "four hundred three million, two hundred five thousand, two hundred sixty-four".