42457416 has 32 divisors (see below), whose sum is σ = 106632960. Its totient is φ = 14087232.

The previous prime is 42457357. The next prime is 42457417. The reversal of 42457416 is 61475424.

It is not an unprimeable number, because it can be changed into a prime (42457417) 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, 1386 + ... + 9318.

It is an arithmetic number, because the mean of its divisors is an integer number (3332280).

Almost surely, 2^42457416 is an apocalyptic number.

It is an amenable number.

42457416 is an abundant number, since it is smaller than the sum of its proper divisors (64175544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42457416 is a wasteful number, since it uses less digits than its factorization.

42457416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8165 (or 8161 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 42457416 is about 6515.9355429593. The cubic root of 42457416 is about 348.8600079470.

The spelling of 42457416 in words is "forty-two million, four hundred fifty-seven thousand, four hundred sixteen".