26351702040 has 384 divisors, whose sum is σ = 88232094720. Its totient is φ = 6287769600.

The previous prime is 26351702009. The next prime is 26351702051. The reversal of 26351702040 is 4020715362.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 26351701989 and 26351702007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 61140625 + ... + 61141055.

It is an arithmetic number, because the mean of its divisors is an integer number (229771080).

Almost surely, 2^26351702040 is an apocalyptic number.

26351702040 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 26351702040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44116047360).

26351702040 is an abundant number, since it is smaller than the sum of its proper divisors (61880392680).

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

26351702040 is a wasteful number, since it uses less digits than its factorization.

26351702040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The spelling of 26351702040 in words is "twenty-six billion, three hundred fifty-one million, seven hundred two thousand, forty".