2144670455402 has 8 divisors (see below), whose sum is σ = 3218611782816. Its totient is φ = 1071799861132.

The previous prime is 2144670455381. The next prime is 2144670455407. The reversal of 2144670455402 is 2045540764412.

It is a happy number.

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

It is a super-2 number, since 2×2144670455402² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2144670455407) 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, 267678278 + ... + 267686289.

It is an arithmetic number, because the mean of its divisors is an integer number (402326472852).

Almost surely, 2^{2144670455402} is an apocalyptic number.

2144670455402 is a deficient number, since it is larger than the sum of its proper divisors (1073941327414).

2144670455402 is a wasteful number, since it uses less digits than its factorization.

2144670455402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 535366572.

The product of its (nonzero) digits is 1075200, while the sum is 44.

The spelling of 2144670455402 in words is "two trillion, one hundred forty-four billion, six hundred seventy million, four hundred fifty-five thousand, four hundred two".