406190012 has 6 divisors (see below), whose sum is σ = 710832528. Its totient is φ = 203095004.

The previous prime is 406190009. The next prime is 406190017. The reversal of 406190012 is 210091604.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 406190012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406190017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50773748 + ... + 50773755.

It is an arithmetic number, because the mean of its divisors is an integer number (118472088).

Almost surely, 2^406190012 is an apocalyptic number.

It is an amenable number.

406190012 is a deficient number, since it is larger than the sum of its proper divisors (304642516).

406190012 is a wasteful number, since it uses less digits than its factorization.

406190012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101547507 (or 101547505 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 406190012 is about 20154.1561966757. The cubic root of 406190012 is about 740.5875611096.

The spelling of 406190012 in words is "four hundred six million, one hundred ninety thousand, twelve".