402464220267 has 4 divisors (see below), whose sum is σ = 536618960360. Its totient is φ = 268309480176.

The previous prime is 402464220259. The next prime is 402464220289. The reversal of 402464220267 is 762022464204.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 402464220267 - 2³ = 402464220259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402464220227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67077370042 + ... + 67077370047.

It is an arithmetic number, because the mean of its divisors is an integer number (134154740090).

Almost surely, 2^402464220267 is an apocalyptic number.

402464220267 is a deficient number, since it is larger than the sum of its proper divisors (134154740093).

402464220267 is a wasteful number, since it uses less digits than its factorization.

402464220267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134154740092.

The product of its (nonzero) digits is 258048, while the sum is 39.

The spelling of 402464220267 in words is "four hundred two billion, four hundred sixty-four million, two hundred twenty thousand, two hundred sixty-seven".