406624120 has 32 divisors (see below), whose sum is σ = 1045605600. Its totient is φ = 139413888.

The previous prime is 406624093. The next prime is 406624123. The reversal of 406624120 is 21426604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406624123) 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, 725835 + ... + 726394.

It is an arithmetic number, because the mean of its divisors is an integer number (32675175).

Almost surely, 2^406624120 is an apocalyptic number.

406624120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406624120 is an abundant number, since it is smaller than the sum of its proper divisors (638981480).

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

406624120 is a wasteful number, since it uses less digits than its factorization.

406624120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452247 (or 1452243 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 406624120 is about 20164.9230100192. The cubic root of 406624120 is about 740.8512968924.

The spelling of 406624120 in words is "four hundred six million, six hundred twenty-four thousand, one hundred twenty".