26957658126 has 64 divisors (see below), whose sum is σ = 63187458048. Its totient is φ = 7506723168.

The previous prime is 26957658113. The next prime is 26957658131. The reversal of 26957658126 is 62185675962.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 827421 + ... + 859383.

It is an arithmetic number, because the mean of its divisors is an integer number (987304032).

Almost surely, 2^26957658126 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26957658126, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31593729024).

26957658126 is an abundant number, since it is smaller than the sum of its proper divisors (36229799922).

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

26957658126 is a wasteful number, since it uses less digits than its factorization.

26957658126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32485.

The product of its digits is 10886400, while the sum is 57.

The spelling of 26957658126 in words is "twenty-six billion, nine hundred fifty-seven million, six hundred fifty-eight thousand, one hundred twenty-six".