26248440 has 32 divisors (see below), whose sum is σ = 78745680. Its totient is φ = 6999552.

The previous prime is 26248427. The next prime is 26248471. The reversal of 26248440 is 4484262.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 26248398 and 26248407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109249 + ... + 109488.

Almost surely, 2^26248440 is an apocalyptic number.

26248440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26248440 is an abundant number, since it is smaller than the sum of its proper divisors (52497240).

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

26248440 is a wasteful number, since it uses less digits than its factorization.

26248440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218751 (or 218747 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 26248440 is about 5123.3231403065. The cubic root of 26248440 is about 297.1902102084.

The spelling of 26248440 in words is "twenty-six million, two hundred forty-eight thousand, four hundred forty".