26795451648 has 432 divisors, whose sum is σ = 86853451776. Its totient is φ = 7304048640.

The previous prime is 26795451647. The next prime is 26795451649. The reversal of 26795451648 is 84615459762.

It is an interprime number because it is at equal distance from previous prime (26795451647) and next prime (26795451649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26795451643) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 120158865 + ... + 120159087.

Almost surely, 2^26795451648 is an apocalyptic number.

26795451648 is a gapful number since it is divisible by the number (28) 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 26795451648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43426725888).

26795451648 is an abundant number, since it is smaller than the sum of its proper divisors (60058000128).

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

26795451648 is a wasteful number, since it uses less digits than its factorization.

26795451648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 369 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 57.

The spelling of 26795451648 in words is "twenty-six billion, seven hundred ninety-five million, four hundred fifty-one thousand, six hundred forty-eight".