402342847671 has 16 divisors (see below), whose sum is σ = 554972853600. Its totient is φ = 258971276928.

The previous prime is 402342847657. The next prime is 402342847691. The reversal of 402342847671 is 176748243204.

It is not a de Polignac number, because 402342847671 - 2⁵ = 402342847639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402342847671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402342847691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4219065 + ... + 4313373.

It is an arithmetic number, because the mean of its divisors is an integer number (34685803350).

Almost surely, 2^402342847671 is an apocalyptic number.

402342847671 is a deficient number, since it is larger than the sum of its proper divisors (152630005929).

402342847671 is a wasteful number, since it uses less digits than its factorization.

402342847671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143378.

The product of its (nonzero) digits is 1806336, while the sum is 48.

The spelling of 402342847671 in words is "four hundred two billion, three hundred forty-two million, eight hundred forty-seven thousand, six hundred seventy-one".