42054244 has 6 divisors (see below), whose sum is σ = 73594934. Its totient is φ = 21027120.

The previous prime is 42054227. The next prime is 42054269. The reversal of 42054244 is 44245024.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41473600 + 580644 = 6440^2 + 762^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5256777 + ... + 5256784.

Almost surely, 2^42054244 is an apocalyptic number.

It is an amenable number.

42054244 is a deficient number, since it is larger than the sum of its proper divisors (31540690).

42054244 is a wasteful number, since it uses less digits than its factorization.

42054244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10513565 (or 10513563 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 25.

The square root of 42054244 is about 6484.9243634756. The cubic root of 42054244 is about 347.7522458170.

Adding to 42054244 its reverse (44245024), we get a palindrome (86299268).

The spelling of 42054244 in words is "forty-two million, fifty-four thousand, two hundred forty-four".