405535752 has 48 divisors (see below), whose sum is σ = 1123877040. Its totient is φ = 132033888.

The previous prime is 405535751. The next prime is 405535763. The reversal of 405535752 is 257535504.

405535752 is a `hidden beast` number, since 4 + 0 + 553 + 57 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (405535751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62398 + ... + 68589.

It is an arithmetic number, because the mean of its divisors is an integer number (23414105).

Almost surely, 2^405535752 is an apocalyptic number.

It is an amenable number.

405535752 is an abundant number, since it is smaller than the sum of its proper divisors (718341288).

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

405535752 is a wasteful number, since it uses less digits than its factorization.

405535752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131042 (or 131035 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 36.

The square root of 405535752 is about 20137.9182638127. The cubic root of 405535752 is about 740.1897200433.

The spelling of 405535752 in words is "four hundred five million, five hundred thirty-five thousand, seven hundred fifty-two".