408470240 has 24 divisors (see below), whose sum is σ = 965011320. Its totient is φ = 163388032.

The previous prime is 408470147. The next prime is 408470243. The reversal of 408470240 is 42074804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (408470243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1276310 + ... + 1276629.

It is an arithmetic number, because the mean of its divisors is an integer number (40208805).

Almost surely, 2^408470240 is an apocalyptic number.

408470240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

408470240 is an abundant number, since it is smaller than the sum of its proper divisors (556541080).

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

408470240 is a wasteful number, since it uses less digits than its factorization.

408470240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2552954 (or 2552946 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 408470240 is about 20210.6466992029. The cubic root of 408470240 is about 741.9707875926.

The spelling of 408470240 in words is "four hundred eight million, four hundred seventy thousand, two hundred forty".