406312196040 has 96 divisors (see below), whose sum is σ = 1323909732600. Its totient is φ = 108071347200.

The previous prime is 406312195981. The next prime is 406312196041. The reversal of 406312196040 is 40691213604.

406312196040 is a `hidden beast` number, since 4 + 0 + 6 + 31 + 2 + 19 + 604 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 170250312996 + 236061883044 = 412614^2 + 485862^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 406312195986 and 406312196004.

It is not an unprimeable number, because it can be changed into a prime (406312196041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1310661 + ... + 1590740.

Almost surely, 2^406312196040 is an apocalyptic number.

406312196040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

406312196040 is an abundant number, since it is smaller than the sum of its proper divisors (917597536560).

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

406312196040 is a wasteful number, since it uses less digits than its factorization.

406312196040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901807 (or 2901800 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 406312196040 in words is "four hundred six billion, three hundred twelve million, one hundred ninety-six thousand, forty".