26213408457 has 16 divisors (see below), whose sum is σ = 35339845632. Its totient is φ = 17282175120.

The previous prime is 26213408449. The next prime is 26213408461. The reversal of 26213408457 is 75480431262.

It is not a de Polignac number, because 26213408457 - 2³ = 26213408449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26213408447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7878 + ... + 229104.

It is an arithmetic number, because the mean of its divisors is an integer number (2208740352).

Almost surely, 2^26213408457 is an apocalyptic number.

It is an amenable number.

26213408457 is a deficient number, since it is larger than the sum of its proper divisors (9126437175).

26213408457 is a wasteful number, since it uses less digits than its factorization.

26213408457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221668.

The product of its (nonzero) digits is 322560, while the sum is 42.

The spelling of 26213408457 in words is "twenty-six billion, two hundred thirteen million, four hundred eight thousand, four hundred fifty-seven".