26199702614412 has 144 divisors (see below), whose sum is σ = 70406437701600. Its totient is φ = 8191626992640.

The previous prime is 26199702614399. The next prime is 26199702614413. The reversal of 26199702614412 is 21441620799162.

26199702614412 is a `hidden beast` number, since 2 + 6 + 1 + 9 + 9 + 7 + 0 + 2 + 614 + 4 + 12 = 666.

It is not an unprimeable number, because it can be changed into a prime (26199702614413) 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, 29741914 + ... + 30610142.

It is an arithmetic number, because the mean of its divisors is an integer number (488933595150).

Almost surely, 2^{26199702614412} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26199702614412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35203218850800).

26199702614412 is an abundant number, since it is smaller than the sum of its proper divisors (44206735087188).

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

26199702614412 is a wasteful number, since it uses less digits than its factorization.

26199702614412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868696 (or 868691 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 26199702614412 in words is "twenty-six trillion, one hundred ninety-nine billion, seven hundred two million, six hundred fourteen thousand, four hundred twelve".