26958142392 has 128 divisors (see below), whose sum is σ = 69965026560. Its totient is φ = 8650414080.

The previous prime is 26958142373. The next prime is 26958142403. The reversal of 26958142392 is 29324185962.

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, 26611678 + ... + 26612690.

It is an arithmetic number, because the mean of its divisors is an integer number (546601770).

Almost surely, 2^26958142392 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 26958142392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34982513280).

26958142392 is an abundant number, since it is smaller than the sum of its proper divisors (43006884168).

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

26958142392 is a wasteful number, since it uses less digits than its factorization.

26958142392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1413 (or 1409 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The spelling of 26958142392 in words is "twenty-six billion, nine hundred fifty-eight million, one hundred forty-two thousand, three hundred ninety-two".