26112990 has 16 divisors (see below), whose sum is σ = 62671248. Its totient is φ = 6963456.

The previous prime is 26112971. The next prime is 26112991. The reversal of 26112990 is 9921162.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 870433 = 26112990 / (2 + 6 + 1 + 1 + 2 + 9 + 9 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26112991) 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, 435187 + ... + 435246.

It is an arithmetic number, because the mean of its divisors is an integer number (3916953).

Almost surely, 2^26112990 is an apocalyptic number.

26112990 is an abundant number, since it is smaller than the sum of its proper divisors (36558258).

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

26112990 is a wasteful number, since it uses less digits than its factorization.

26112990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870443.

The product of its (nonzero) digits is 1944, while the sum is 30.

The square root of 26112990 is about 5110.0870834067. The cubic root of 26112990 is about 296.6781308255.

The spelling of 26112990 in words is "twenty-six million, one hundred twelve thousand, nine hundred ninety".