26223021004 has 48 divisors (see below), whose sum is σ = 48703334400. Its totient is φ = 12328303680.

The previous prime is 26223021001. The next prime is 26223021043. The reversal of 26223021004 is 40012032262.

It is not an unprimeable number, because it can be changed into a prime (26223021001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2273917 + ... + 2285419.

It is an arithmetic number, because the mean of its divisors is an integer number (1014652800).

Almost surely, 2^26223021004 is an apocalyptic number.

It is an amenable number.

26223021004 is a deficient number, since it is larger than the sum of its proper divisors (22480313396).

26223021004 is a wasteful number, since it uses less digits than its factorization.

26223021004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11950 (or 11948 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 26223021004 its reverse (40012032262), we get a palindrome (66235053266).

The spelling of 26223021004 in words is "twenty-six billion, two hundred twenty-three million, twenty-one thousand, four".