26198400922 has 8 divisors (see below), whose sum is σ = 39307122036. Its totient is φ = 13096026912.

The previous prime is 26198400913. The next prime is 26198400947. The reversal of 26198400922 is 22900489162.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 24170609961 + 2027790961 = 155469^2 + 45031^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1576443 + ... + 1592974.

Almost surely, 2^26198400922 is an apocalyptic number.

26198400922 is a deficient number, since it is larger than the sum of its proper divisors (13108721114).

26198400922 is a wasteful number, since it uses less digits than its factorization.

26198400922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173552.

The product of its (nonzero) digits is 124416, while the sum is 43.

The spelling of 26198400922 in words is "twenty-six billion, one hundred ninety-eight million, four hundred thousand, nine hundred twenty-two".