42240627 has 48 divisors (see below), whose sum is σ = 74850048. Its totient is φ = 22587840.

The previous prime is 42240623. The next prime is 42240641. The reversal of 42240627 is 72604224.

It is a happy number.

It is not a de Polignac number, because 42240627 - 2² = 42240623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42240627.

It is not an unprimeable number, because it can be changed into a prime (42240623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28888 + ... + 30314.

It is an arithmetic number, because the mean of its divisors is an integer number (1559376).

Almost surely, 2^42240627 is an apocalyptic number.

42240627 is a deficient number, since it is larger than the sum of its proper divisors (32609421).

42240627 is a wasteful number, since it uses less digits than its factorization.

42240627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1480 (or 1477 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 42240627 is about 6499.2789600078. The cubic root of 42240627 is about 348.2652308172.

The spelling of 42240627 in words is "forty-two million, two hundred forty thousand, six hundred twenty-seven".