408081252 has 24 divisors (see below), whose sum is σ = 953811936. Its totient is φ = 135795328.

The previous prime is 408081239. The next prime is 408081253. The reversal of 408081252 is 252180804.

It is not an unprimeable number, because it can be changed into a prime (408081253) 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 7 ways as a sum of consecutive naturals, for example, 21558 + ... + 35789.

It is an arithmetic number, because the mean of its divisors is an integer number (39742164).

Almost surely, 2^408081252 is an apocalyptic number.

It is an amenable number.

408081252 is an abundant number, since it is smaller than the sum of its proper divisors (545730684).

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

408081252 is a wasteful number, since it uses less digits than its factorization.

408081252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57947 (or 57945 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 408081252 is about 20201.0210633027. The cubic root of 408081252 is about 741.7351854440.

The spelling of 408081252 in words is "four hundred eight million, eighty-one thousand, two hundred fifty-two".