26145004 has 6 divisors (see below), whose sum is σ = 45753764. Its totient is φ = 13072500.

The previous prime is 26144983. The next prime is 26145013. The reversal of 26145004 is 40054162.

It is a super-2 number, since 2×26145004² = 1367122468320032, which contains 22 as substring.

It is a nialpdrome in base 13.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3268122 + ... + 3268129.

Almost surely, 2^26145004 is an apocalyptic number.

It is an amenable number.

26145004 is a deficient number, since it is larger than the sum of its proper divisors (19608760).

26145004 is a wasteful number, since it uses less digits than its factorization.

26145004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6536255 (or 6536253 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 26145004 is about 5113.2185558609. The cubic root of 26145004 is about 296.7993217848.

Adding to 26145004 its reverse (40054162), we get a palindrome (66199166).

The spelling of 26145004 in words is "twenty-six million, one hundred forty-five thousand, four".