406312195992 has 128 divisors (see below), whose sum is σ = 1066842193920. Its totient is φ = 128786112000.

The previous prime is 406312195981. The next prime is 406312196041. The reversal of 406312195992 is 299591213604.

It is a super-2 number, since 2×406312195992² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49600617 + ... + 49608807.

It is an arithmetic number, because the mean of its divisors is an integer number (8334704640).

Almost surely, 2^406312195992 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 406312195992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533421096960).

406312195992 is an abundant number, since it is smaller than the sum of its proper divisors (660529997928).

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

406312195992 is a wasteful number, since it uses less digits than its factorization.

406312195992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9385 (or 9381 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

The spelling of 406312195992 in words is "four hundred six billion, three hundred twelve million, one hundred ninety-five thousand, nine hundred ninety-two".