406425734848 has 168 divisors, whose sum is σ = 985025787120. Its totient is φ = 165663590400.

The previous prime is 406425734833. The next prime is 406425734851. The reversal of 406425734848 is 848437524604.

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, 6059898 + ... + 6126598.

Almost surely, 2^406425734848 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 406425734848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (492512893560).

406425734848 is an abundant number, since it is smaller than the sum of its proper divisors (578600052272).

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

406425734848 is a wasteful number, since it uses less digits than its factorization.

406425734848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66823 (or 66806 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 55.

The spelling of 406425734848 in words is "four hundred six billion, four hundred twenty-five million, seven hundred thirty-four thousand, eight hundred forty-eight".