10040549 has 4 divisors (see below), whose sum is σ = 10047180. Its totient is φ = 10033920.

The previous prime is 10040533. The next prime is 10040573. The reversal of 10040549 is 94504001.

It is a happy number.

10040549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94504001 = 5639 ⋅16759.

It can be written as a sum of positive squares in 2 ways, for example, as 8236900 + 1803649 = 2870^2 + 1343^2 .

It is a cyclic number.

It is not a de Polignac number, because 10040549 - 2⁴ = 10040533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10040509) 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, 197 + ... + 4485.

It is an arithmetic number, because the mean of its divisors is an integer number (2511795).

Almost surely, 2^10040549 is an apocalyptic number.

It is an amenable number.

10040549 is a deficient number, since it is larger than the sum of its proper divisors (6631).

10040549 is an equidigital number, since it uses as much as digits as its factorization.

10040549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6630.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 10040549 is about 3168.6825337986. The cubic root of 10040549 is about 215.7342768652.

The spelling of 10040549 in words is "ten million, forty thousand, five hundred forty-nine".