26199942 has 16 divisors (see below), whose sum is σ = 52665600. Its totient is φ = 8689032.

The previous prime is 26199937. The next prime is 26199947. The reversal of 26199942 is 24999162.

It is an interprime number because it is at equal distance from previous prime (26199937) and next prime (26199947).

It is a junction number, because it is equal to n+sod(n) for n = 26199894 and 26199903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26199947) 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, 9778 + ... + 12165.

It is an arithmetic number, because the mean of its divisors is an integer number (3291600).

Almost surely, 2^26199942 is an apocalyptic number.

26199942 is an abundant number, since it is smaller than the sum of its proper divisors (26465658).

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

26199942 is a wasteful number, since it uses less digits than its factorization.

26199942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22147.

The product of its digits is 69984, while the sum is 42.

The square root of 26199942 is about 5118.5878912059. The cubic root of 26199942 is about 297.0070626034.

It can be divided in two parts, 2619 and 9942, that added together give a triangular number (12561 = T₁₅₈).

The spelling of 26199942 in words is "twenty-six million, one hundred ninety-nine thousand, nine hundred forty-two".