26255783400 has 384 divisors, whose sum is σ = 105893222400. Its totient is φ = 5218329600.

The previous prime is 26255783387. The next prime is 26255783443. The reversal of 26255783400 is 438755262.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1050246 + ... + 1074954.

It is an arithmetic number, because the mean of its divisors is an integer number (275763600).

Almost surely, 2^26255783400 is an apocalyptic number.

26255783400 is a gapful number since it is divisible by the number (20) 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 26255783400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52946611200).

26255783400 is an abundant number, since it is smaller than the sum of its proper divisors (79637439000).

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

26255783400 is a wasteful number, since it uses less digits than its factorization.

26255783400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24769 (or 24760 counting only the distinct ones).

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

The spelling of 26255783400 in words is "twenty-six billion, two hundred fifty-five million, seven hundred eighty-three thousand, four hundred".