10026540 has 72 divisors (see below), whose sum is σ = 31017168. Its totient is φ = 2620800.

The previous prime is 10026539. The next prime is 10026553. The reversal of 10026540 is 4562001.

It is a happy number.

10026540 is a `hidden beast` number, since 10 + 0 + 2 + 654 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9015 + ... + 10065.

It is an arithmetic number, because the mean of its divisors is an integer number (430794).

Almost surely, 2^10026540 is an apocalyptic number.

10026540 is a gapful number since it is divisible by the number (10) 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 10026540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15508584).

10026540 is an abundant number, since it is smaller than the sum of its proper divisors (20990628).

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

10026540 is a wasteful number, since it uses less digits than its factorization.

10026540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119 (or 1114 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 10026540 is about 3166.4712220388. The cubic root of 10026540 is about 215.6338962933.

Adding to 10026540 its reverse (4562001), we get a palindrome (14588541).

The spelling of 10026540 in words is "ten million, twenty-six thousand, five hundred forty".