42501404 has 24 divisors (see below), whose sum is σ = 85411200. Its totient is φ = 18301680.

The previous prime is 42501367. The next prime is 42501409. The reversal of 42501404 is 40410524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42501409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24584 + ... + 26255.

It is an arithmetic number, because the mean of its divisors is an integer number (3558800).

Almost surely, 2^42501404 is an apocalyptic number.

42501404 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42501404 is an abundant number, since it is smaller than the sum of its proper divisors (42909796).

42501404 is a wasteful number, since it uses less digits than its factorization.

42501404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50873 (or 50871 counting only the distinct ones).

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

The square root of 42501404 is about 6519.3100861978. The cubic root of 42501404 is about 348.9804451514.

Adding to 42501404 its reverse (40410524), we get a palindrome (82911928).

The spelling of 42501404 in words is "forty-two million, five hundred one thousand, four hundred four".