402324480 has 132 divisors (see below), whose sum is σ = 1394203512. Its totient is φ = 107274240.

The previous prime is 402324473. The next prime is 402324491. The reversal of 402324480 is 84423204.

It is a happy number.

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41715 + ... + 50445.

Almost surely, 2^402324480 is an apocalyptic number.

402324480 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 402324480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (697101756).

402324480 is an abundant number, since it is smaller than the sum of its proper divisors (991879032).

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

402324480 is a wasteful number, since it uses less digits than its factorization.

402324480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8762 (or 8741 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 402324480 is about 20058.0278193047. The cubic root of 402324480 is about 738.2307868775.

Adding to 402324480 its reverse (84423204), we get a palindrome (486747684).

The spelling of 402324480 in words is "four hundred two million, three hundred twenty-four thousand, four hundred eighty".