408250612 has 72 divisors (see below), whose sum is σ = 919679040. Its totient is φ = 155126400.

The previous prime is 408250567. The next prime is 408250649. The reversal of 408250612 is 216052804.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137439 + ... + 140377.

It is an arithmetic number, because the mean of its divisors is an integer number (12773320).

Almost surely, 2^408250612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 408250612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (459839520).

408250612 is an abundant number, since it is smaller than the sum of its proper divisors (511428428).

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

408250612 is a wasteful number, since it uses less digits than its factorization.

408250612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013 (or 3000 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 408250612 is about 20205.2124957893. The cubic root of 408250612 is about 741.8377817581.

The spelling of 408250612 in words is "four hundred eight million, two hundred fifty thousand, six hundred twelve".