26951949744 has 160 divisors (see below), whose sum is σ = 71714784960. Its totient is φ = 8719958016.

The previous prime is 26951949727. The next prime is 26951949751. The reversal of 26951949744 is 44794915962.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79975944 + ... + 79976280.

It is an arithmetic number, because the mean of its divisors is an integer number (448217406).

Almost surely, 2^26951949744 is an apocalyptic number.

26951949744 is a gapful number since it is divisible by the number (24) 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 26951949744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35857392480).

26951949744 is an abundant number, since it is smaller than the sum of its proper divisors (44762835216).

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

26951949744 is a wasteful number, since it uses less digits than its factorization.

26951949744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 721 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 60.

The spelling of 26951949744 in words is "twenty-six billion, nine hundred fifty-one million, nine hundred forty-nine thousand, seven hundred forty-four".