405232450120 has 128 divisors (see below), whose sum is σ = 965573913600. Its totient is φ = 152847590400.

The previous prime is 405232450067. The next prime is 405232450121. The reversal of 405232450120 is 21054232504.

It is not an unprimeable number, because it can be changed into a prime (405232450121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8068446 + ... + 8118514.

It is an arithmetic number, because the mean of its divisors is an integer number (7543546200).

Almost surely, 2^405232450120 is an apocalyptic number.

405232450120 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 405232450120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (482786956800).

405232450120 is an abundant number, since it is smaller than the sum of its proper divisors (560341463480).

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

405232450120 is a wasteful number, since it uses less digits than its factorization.

405232450120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50279 (or 50275 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 405232450120 its reverse (21054232504), we get a palindrome (426286682624).

The spelling of 405232450120 in words is "four hundred five billion, two hundred thirty-two million, four hundred fifty thousand, one hundred twenty".