402271014891 has 8 divisors (see below), whose sum is σ = 536370014160. Its totient is φ = 268176346112.

The previous prime is 402271014889. The next prime is 402271014947. The reversal of 402271014891 is 198410172204.

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

It is a cyclic number.

It is not a de Polignac number, because 402271014891 - 2¹ = 402271014889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402271014491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 859290 + ... + 1242143.

It is an arithmetic number, because the mean of its divisors is an integer number (67046251770).

Almost surely, 2^402271014891 is an apocalyptic number.

402271014891 is a deficient number, since it is larger than the sum of its proper divisors (134098999269).

402271014891 is a wasteful number, since it uses less digits than its factorization.

402271014891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165245.

The product of its (nonzero) digits is 32256, while the sum is 39.

The spelling of 402271014891 in words is "four hundred two billion, two hundred seventy-one million, fourteen thousand, eight hundred ninety-one".