405473332 has 24 divisors (see below), whose sum is σ = 784994112. Its totient is φ = 181708800.

The previous prime is 405473329. The next prime is 405473339. The reversal of 405473332 is 233374504.

It is a junction number, because it is equal to n+sod(n) for n = 405473294 and 405473303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405473339) 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, 61773 + ... + 68020.

It is an arithmetic number, because the mean of its divisors is an integer number (32708088).

Almost surely, 2^405473332 is an apocalyptic number.

It is an amenable number.

405473332 is a deficient number, since it is larger than the sum of its proper divisors (379520780).

405473332 is a wasteful number, since it uses less digits than its factorization.

405473332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129879 (or 129877 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 31.

The square root of 405473332 is about 20136.3683915447. The cubic root of 405473332 is about 740.1517414658.

The spelling of 405473332 in words is "four hundred five million, four hundred seventy-three thousand, three hundred thirty-two".