10206040 has 64 divisors (see below), whose sum is σ = 26056800. Its totient is φ = 3566592.

The previous prime is 10206019. The next prime is 10206061. The reversal of 10206040 is 4060201.

It is an interprime number because it is at equal distance from previous prime (10206019) and next prime (10206061).

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 10206040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9364 + ... + 10396.

Almost surely, 2^10206040 is an apocalyptic number.

10206040 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 10206040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13028400).

10206040 is an abundant number, since it is smaller than the sum of its proper divisors (15850760).

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

10206040 is a wasteful number, since it uses less digits than its factorization.

10206040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1072 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10206040 is about 3194.6893432695. The cubic root of 10206040 is about 216.9130871549.

Adding to 10206040 its reverse (4060201), we get a palindrome (14266241).

The spelling of 10206040 in words is "ten million, two hundred six thousand, forty".