42501044 has 12 divisors (see below), whose sum is σ = 74793600. Its totient is φ = 21131448.

The previous prime is 42501023. The next prime is 42501047. The reversal of 42501044 is 44010524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42501047) 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, 28964 + ... + 30395.

It is an arithmetic number, because the mean of its divisors is an integer number (6232800).

Almost surely, 2^42501044 is an apocalyptic number.

It is an amenable number.

42501044 is a deficient number, since it is larger than the sum of its proper divisors (32292556).

42501044 is a wasteful number, since it uses less digits than its factorization.

42501044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59542 (or 59540 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 42501044 is about 6519.2824758558. The cubic root of 42501044 is about 348.9794598246.

Adding to 42501044 its reverse (44010524), we get a palindrome (86511568).

The spelling of 42501044 in words is "forty-two million, five hundred one thousand, forty-four".