26451256722 has 32 divisors (see below), whose sum is σ = 57814421760. Its totient is φ = 8001283920.

The previous prime is 26451256721. The next prime is 26451256739. The reversal of 26451256722 is 22765215462.

It is not an unprimeable number, because it can be changed into a prime (26451256721) 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, 318772 + ... + 393087.

It is an arithmetic number, because the mean of its divisors is an integer number (1806700680).

Almost surely, 2^26451256722 is an apocalyptic number.

26451256722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

26451256722 is an abundant number, since it is smaller than the sum of its proper divisors (31363165038).

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

26451256722 is a wasteful number, since it uses less digits than its factorization.

26451256722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712438.

The product of its digits is 403200, while the sum is 42.

The spelling of 26451256722 in words is "twenty-six billion, four hundred fifty-one million, two hundred fifty-six thousand, seven hundred twenty-two".