26430445 has 16 divisors (see below), whose sum is σ = 33546240. Its totient is φ = 19958400.

The previous prime is 26430431. The next prime is 26430457. The reversal of 26430445 is 54403462.

26430445 = T₁₃₄ + T₁₃₅ + ... + T₅₄₃.

It is not a de Polignac number, because 26430445 - 2⁷ = 26430317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4276 + ... + 8434.

It is an arithmetic number, because the mean of its divisors is an integer number (2096640).

Almost surely, 2^26430445 is an apocalyptic number.

It is an amenable number.

26430445 is a deficient number, since it is larger than the sum of its proper divisors (7115795).

26430445 is a wasteful number, since it uses less digits than its factorization.

26430445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4236.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 26430445 is about 5141.0548528488. The cubic root of 26430445 is about 297.8755279452.

The spelling of 26430445 in words is "twenty-six million, four hundred thirty thousand, four hundred forty-five".