26245740 has 96 divisors (see below), whose sum is σ = 77220864. Its totient is φ = 6653440.

The previous prime is 26245733. The next prime is 26245753. The reversal of 26245740 is 4754262.

26245740 = 780² + 781² + ... + 820².

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 = 26245698 and 26245707.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115507 + ... + 115733.

It is an arithmetic number, because the mean of its divisors is an integer number (804384).

Almost surely, 2^26245740 is an apocalyptic number.

26245740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26245740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38610432).

26245740 is an abundant number, since it is smaller than the sum of its proper divisors (50975124).

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

26245740 is a wasteful number, since it uses less digits than its factorization.

26245740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327 (or 325 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 26245740 is about 5123.0596326805. The cubic root of 26245740 is about 297.1800198747.

The spelling of 26245740 in words is "twenty-six million, two hundred forty-five thousand, seven hundred forty".