26103402000 has 360 divisors, whose sum is σ = 98734571208. Its totient is φ = 6424704000.

The previous prime is 26103401971. The next prime is 26103402011. The reversal of 26103402000 is 20430162.

It is a happy number.

26103402000 is a `hidden beast` number, since 2 + 610 + 34 + 0 + 20 + 0 + 0 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 25041163536 + 1062238464 = 158244^2 + 32592^2 .

It is a tau number, because it is divible by the number of its divisors (360).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 3037710 + ... + 3046290.

Almost surely, 2^26103402000 is an apocalyptic number.

26103402000 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 26103402000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49367285604).

26103402000 is an abundant number, since it is smaller than the sum of its proper divisors (72631169208).

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

26103402000 is a wasteful number, since it uses less digits than its factorization.

26103402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8636 (or 8604 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 26103402000 its reverse (20430162), we get a palindrome (26123832162).

The spelling of 26103402000 in words is "twenty-six billion, one hundred three million, four hundred two thousand".