26888442 has 32 divisors (see below), whose sum is σ = 61921152. Its totient is φ = 7624704.

The previous prime is 26888429. The next prime is 26888453. The reversal of 26888442 is 24488862.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 26888394 and 26888403.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3418 + ... + 8090.

It is an arithmetic number, because the mean of its divisors is an integer number (1935036).

Almost surely, 2^26888442 is an apocalyptic number.

26888442 is an abundant number, since it is smaller than the sum of its proper divisors (35032710).

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

26888442 is a wasteful number, since it uses less digits than its factorization.

26888442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822.

The product of its digits is 196608, while the sum is 42.

The square root of 26888442 is about 5185.4066378636. The cubic root of 26888442 is about 299.5862518595.

It can be divided in two parts, 268884 and 42, that multiplied together give a triangular number (11293128 = T₄₇₅₂).

The spelling of 26888442 in words is "twenty-six million, eight hundred eighty-eight thousand, four hundred forty-two".