26422622172 has 60 divisors (see below), whose sum is σ = 69336815856. Its totient is φ = 8774023680.

The previous prime is 26422622089. The next prime is 26422622189. The reversal of 26422622172 is 27122622462.

26422622172 is a `hidden beast` number, since 2 + 6 + 4 + 22 + 622 + 1 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 69829 + ... + 240252.

Almost surely, 2^26422622172 is an apocalyptic number.

It is an amenable number.

26422622172 is an abundant number, since it is smaller than the sum of its proper divisors (42914193684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26422622172 is a wasteful number, since it uses less digits than its factorization.

26422622172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310360 (or 310349 counting only the distinct ones).

The product of its digits is 64512, while the sum is 36.

The spelling of 26422622172 in words is "twenty-six billion, four hundred twenty-two million, six hundred twenty-two thousand, one hundred seventy-two".