403020480 has 168 divisors, whose sum is σ = 1318546512. Its totient is φ = 104259584.

The previous prime is 403020451. The next prime is 403020493. The reversal of 403020480 is 84020304.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4528276 + ... + 4528364.

Almost surely, 2^403020480 is an apocalyptic number.

403020480 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 403020480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (659273256).

403020480 is an abundant number, since it is smaller than the sum of its proper divisors (915526032).

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

403020480 is an equidigital number, since it uses as much as digits as its factorization.

403020480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 152 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 403020480 is about 20075.3699841373. The cubic root of 403020480 is about 738.6562416621.

Adding to 403020480 its reverse (84020304), we get a palindrome (487040784).

The spelling of 403020480 in words is "four hundred three million, twenty thousand, four hundred eighty".