26444466972 has 288 divisors, whose sum is σ = 86700117504. Its totient is φ = 6597158400.

The previous prime is 26444466953. The next prime is 26444466973. The reversal of 26444466972 is 27966444462.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26444466973) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7269138 + ... + 7272774.

Almost surely, 2^26444466972 is an apocalyptic number.

26444466972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26444466972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43350058752).

26444466972 is an abundant number, since it is smaller than the sum of its proper divisors (60255650532).

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

26444466972 is a wasteful number, since it uses less digits than its factorization.

26444466972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3769 (or 3764 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 54.

The spelling of 26444466972 in words is "twenty-six billion, four hundred forty-four million, four hundred sixty-six thousand, nine hundred seventy-two".