39144955 has 16 divisors (see below), whose sum is σ = 48371904. Its totient is φ = 30392320.

The previous prime is 39144947. The next prime is 39144977. The reversal of 39144955 is 55944193.

It is not a de Polignac number, because 39144955 - 2³ = 39144947 is a prime.

It is a Duffinian 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, 52314 + ... + 53056.

It is an arithmetic number, because the mean of its divisors is an integer number (3023244).

Almost surely, 2^39144955 is an apocalyptic number.

39144955 is a deficient number, since it is larger than the sum of its proper divisors (9226949).

39144955 is a wasteful number, since it uses less digits than its factorization.

39144955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046.

The product of its digits is 97200, while the sum is 40.

The square root of 39144955 is about 6256.5929226697. The cubic root of 39144955 is about 339.5407727491.

The spelling of 39144955 in words is "thirty-nine million, one hundred forty-four thousand, nine hundred fifty-five".