26280428 has 12 divisors (see below), whose sum is σ = 46142712. Its totient is φ = 13096800.

The previous prime is 26280427. The next prime is 26280431. The reversal of 26280428 is 82408262.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26280394 and 26280403.

It is not an unprimeable number, because it can be changed into a prime (26280427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9473 + ... + 11928.

It is an arithmetic number, because the mean of its divisors is an integer number (3845226).

Almost surely, 2^26280428 is an apocalyptic number.

It is an amenable number.

26280428 is a deficient number, since it is larger than the sum of its proper divisors (19862284).

26280428 is a wasteful number, since it uses less digits than its factorization.

26280428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21712 (or 21710 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 26280428 is about 5126.4439916964. The cubic root of 26280428 is about 297.3108860950.

The spelling of 26280428 in words is "twenty-six million, two hundred eighty thousand, four hundred twenty-eight".