42416591 has 8 divisors (see below), whose sum is σ = 49658784. Its totient is φ = 35470080.

The previous prime is 42416573. The next prime is 42416593. The reversal of 42416591 is 19561424.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42416591 - 2⁶ = 42416527 is a prime.

It is a super-2 number, since 2×42416591² = 3598334384122562, which contains 22 as substring.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42416593) 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, 73610 + ... + 74183.

It is an arithmetic number, because the mean of its divisors is an integer number (6207348).

Almost surely, 2^42416591 is an apocalyptic number.

42416591 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

42416591 is a deficient number, since it is larger than the sum of its proper divisors (7242193).

42416591 is a wasteful number, since it uses less digits than its factorization.

42416591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147841.

The product of its digits is 8640, while the sum is 32.

The square root of 42416591 is about 6512.8020851243. The cubic root of 42416591 is about 348.7481564459.

The spelling of 42416591 in words is "forty-two million, four hundred sixteen thousand, five hundred ninety-one".