26446463402 has 4 divisors (see below), whose sum is σ = 39669695106. Its totient is φ = 13223231700.

The previous prime is 26446463341. The next prime is 26446463429. The reversal of 26446463402 is 20436464462.

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

It can be written as a sum of positive squares in only one way, i.e., 25853102521 + 593360881 = 160789^2 + 24359^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 26446463402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6611615849 + ... + 6611615852.

Almost surely, 2^26446463402 is an apocalyptic number.

26446463402 is a deficient number, since it is larger than the sum of its proper divisors (13223231704).

26446463402 is a wasteful number, since it uses less digits than its factorization.

26446463402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13223231703.

The product of its (nonzero) digits is 663552, while the sum is 41.

The spelling of 26446463402 in words is "twenty-six billion, four hundred forty-six million, four hundred sixty-three thousand, four hundred two".