26262562381 has 16 divisors (see below), whose sum is σ = 29696394240. Its totient is φ = 23018284080.

The previous prime is 26262562379. The next prime is 26262562409. The reversal of 26262562381 is 18326526262.

It is not a de Polignac number, because 26262562381 - 2¹ = 26262562379 is a prime.

It is a super-2 number, since 2×26262562381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26262562331) 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, 344451 + ... + 413728.

It is an arithmetic number, because the mean of its divisors is an integer number (1856024640).

Almost surely, 2^26262562381 is an apocalyptic number.

It is an amenable number.

26262562381 is a deficient number, since it is larger than the sum of its proper divisors (3433831859).

26262562381 is a wasteful number, since it uses less digits than its factorization.

26262562381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 758304.

The product of its digits is 414720, while the sum is 43.

The spelling of 26262562381 in words is "twenty-six billion, two hundred sixty-two million, five hundred sixty-two thousand, three hundred eighty-one".