405450232 has 32 divisors (see below), whose sum is σ = 841720320. Its totient is φ = 181542240.

The previous prime is 405450217. The next prime is 405450277. The reversal of 405450232 is 232054504.

It is a junction number, because it is equal to n+sod(n) for n = 405450197 and 405450206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28488 + ... + 40279.

It is an arithmetic number, because the mean of its divisors is an integer number (26303760).

Almost surely, 2^405450232 is an apocalyptic number.

It is an amenable number.

405450232 is an abundant number, since it is smaller than the sum of its proper divisors (436270088).

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

405450232 is a wasteful number, since it uses less digits than its factorization.

405450232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68851 (or 68847 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 405450232 is about 20135.7947943457. The cubic root of 405450232 is about 740.1376856051.

The spelling of 405450232 in words is "four hundred five million, four hundred fifty thousand, two hundred thirty-two".