26946143402 has 16 divisors (see below), whose sum is σ = 41593239720. Its totient is φ = 13083162048.

The previous prime is 26946143401. The next prime is 26946143443. The reversal of 26946143402 is 20434164962.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 25271778841 + 1674364561 = 158971^2 + 40919^2 .

It is a super-2 number, since 2×26946143402² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 26946143402.

It is not an unprimeable number, because it can be changed into a prime (26946143401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 320033 + ... + 395364.

Almost surely, 2^26946143402 is an apocalyptic number.

26946143402 is a deficient number, since it is larger than the sum of its proper divisors (14647096318).

26946143402 is a wasteful number, since it uses less digits than its factorization.

26946143402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715945.

The product of its (nonzero) digits is 248832, while the sum is 41.

The spelling of 26946143402 in words is "twenty-six billion, nine hundred forty-six million, one hundred forty-three thousand, four hundred two".