26295440291 has 8 divisors (see below), whose sum is σ = 26857864704. Its totient is φ = 25733138760.

The previous prime is 26295440273. The next prime is 26295440321. The reversal of 26295440291 is 19204459262.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 26295440291 - 2³⁴ = 9115571107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26295440221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498026 + ... + 548288.

It is an arithmetic number, because the mean of its divisors is an integer number (3357233088).

Almost surely, 2^26295440291 is an apocalyptic number.

26295440291 is a deficient number, since it is larger than the sum of its proper divisors (562424413).

26295440291 is a wasteful number, since it uses less digits than its factorization.

26295440291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61441.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 26295440291 in words is "twenty-six billion, two hundred ninety-five million, four hundred forty thousand, two hundred ninety-one".