42516441 has 64 divisors (see below), whose sum is σ = 72887040. Its totient is φ = 24261120.

The previous prime is 42516437. The next prime is 42516449. The reversal of 42516441 is 14461524.

It is not a de Polignac number, because 42516441 - 2² = 42516437 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42516449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 582381 + ... + 582453.

It is an arithmetic number, because the mean of its divisors is an integer number (1138860).

Almost surely, 2^42516441 is an apocalyptic number.

It is an amenable number.

42516441 is a deficient number, since it is larger than the sum of its proper divisors (30370599).

42516441 is a wasteful number, since it uses less digits than its factorization.

42516441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183 (or 177 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 42516441 is about 6520.4632504140. The cubic root of 42516441 is about 349.0215967347.

Adding to 42516441 its reverse (14461524), we get a palindrome (56977965).

The spelling of 42516441 in words is "forty-two million, five hundred sixteen thousand, four hundred forty-one".