42263924 has 6 divisors (see below), whose sum is σ = 73961874. Its totient is φ = 21131960.

The previous prime is 42263917. The next prime is 42263939. The reversal of 42263924 is 42936224.

It can be written as a sum of positive squares in only one way, i.e., 42250000 + 13924 = 6500^2 + 118^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5282987 + ... + 5282994.

It is an arithmetic number, because the mean of its divisors is an integer number (12326979).

Almost surely, 2^42263924 is an apocalyptic number.

It is an amenable number.

42263924 is a deficient number, since it is larger than the sum of its proper divisors (31697950).

42263924 is a wasteful number, since it uses less digits than its factorization.

42263924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10565985 (or 10565983 counting only the distinct ones).

The product of its digits is 20736, while the sum is 32.

The square root of 42263924 is about 6501.0709886910. The cubic root of 42263924 is about 348.3292453651.

It can be divided in two parts, 422 and 63924, that added together give a palindrome (64346).

The spelling of 42263924 in words is "forty-two million, two hundred sixty-three thousand, nine hundred twenty-four".