104040549 has 12 divisors (see below), whose sum is σ = 152340396. Its totient is φ = 68409792.

The previous prime is 104040533. The next prime is 104040553. The reversal of 104040549 is 945040401.

It can be written as a sum of positive squares in 2 ways, for example, as 76003524 + 28037025 = 8718^2 + 5295^2 .

It is not a de Polignac number, because 104040549 - 2⁴ = 104040533 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104040509) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78522 + ... + 79835.

It is an arithmetic number, because the mean of its divisors is an integer number (12695033).

Almost surely, 2^104040549 is an apocalyptic number.

It is an amenable number.

104040549 is a deficient number, since it is larger than the sum of its proper divisors (48299847).

104040549 is a wasteful number, since it uses less digits than its factorization.

104040549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158436 (or 158433 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 104040549 is about 10200.0269117292. The cubic root of 104040549 is about 470.3280477246.

The spelling of 104040549 in words is "one hundred four million, forty thousand, five hundred forty-nine".