402039040466 has 8 divisors (see below), whose sum is σ = 689209783680. Its totient is φ = 172302445908.

The previous prime is 402039040441. The next prime is 402039040471. The reversal of 402039040466 is 664040930204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14358537146 + ... + 14358537173.

It is an arithmetic number, because the mean of its divisors is an integer number (86151222960).

Almost surely, 2^402039040466 is an apocalyptic number.

402039040466 is a deficient number, since it is larger than the sum of its proper divisors (287170743214).

402039040466 is a wasteful number, since it uses less digits than its factorization.

402039040466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28717074328.

The product of its (nonzero) digits is 124416, while the sum is 38.

The spelling of 402039040466 in words is "four hundred two billion, thirty-nine million, forty thousand, four hundred sixty-six".