39542944 has 24 divisors (see below), whose sum is σ = 88972128. Its totient is φ = 16946880.

The previous prime is 39542927. The next prime is 39542947. The reversal of 39542944 is 44924593.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 39542897 and 39542906.

It is not an unprimeable number, because it can be changed into a prime (39542947) 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, 88042 + ... + 88489.

It is an arithmetic number, because the mean of its divisors is an integer number (3707172).

Almost surely, 2^39542944 is an apocalyptic number.

It is an amenable number.

39542944 is an abundant number, since it is smaller than the sum of its proper divisors (49429184).

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

39542944 is a wasteful number, since it uses less digits than its factorization.

39542944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176548 (or 176540 counting only the distinct ones).

The product of its digits is 155520, while the sum is 40.

The square root of 39542944 is about 6288.3180581138. The cubic root of 39542944 is about 340.6876050122.

The spelling of 39542944 in words is "thirty-nine million, five hundred forty-two thousand, nine hundred forty-four".