61044039 has 24 divisors (see below), whose sum is σ = 103233312. Its totient is φ = 34030080.

The previous prime is 61044031. The next prime is 61044073. The reversal of 61044039 is 93044016.

61044039 is a `hidden beast` number, since 610 + 4 + 40 + 3 + 9 = 666.

It is not a de Polignac number, because 61044039 - 2³ = 61044031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61044031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9234 + ... + 14399.

It is an arithmetic number, because the mean of its divisors is an integer number (4301388).

Almost surely, 2^61044039 is an apocalyptic number.

61044039 is a deficient number, since it is larger than the sum of its proper divisors (42189273).

61044039 is a wasteful number, since it uses less digits than its factorization.

61044039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23687 (or 23684 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 61044039 is about 7813.0684753175. The cubic root of 61044039 is about 393.7444274344.

The spelling of 61044039 in words is "sixty-one million, forty-four thousand, thirty-nine".