406442363201442 has 36 divisors (see below), whose sum is σ = 912038620432290. Its totient is φ = 130809036427776.

The previous prime is 406442363201383. The next prime is 406442363201461. The reversal of 406442363201442 is 244102363244604.

406442363201442 is a `hidden beast` number, since 4 + 0 + 6 + 4 + 4 + 2 + 3 + 632 + 0 + 1 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 218707451915121 + 187734911286321 = 14788761^2 + 13701639^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 13424557567 + ... + 13424587842.

Almost surely, 2^{406442363201442} is an apocalyptic number.

406442363201442 is an abundant number, since it is smaller than the sum of its proper divisors (505596257230848).

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

406442363201442 is a wasteful number, since it uses less digits than its factorization.

406442363201442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26849145475 (or 26849145443 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 45.

The spelling of 406442363201442 in words is "four hundred six trillion, four hundred forty-two billion, three hundred sixty-three million, two hundred one thousand, four hundred forty-two".