42288471 has 12 divisors (see below), whose sum is σ = 64298520. Its totient is φ = 26708400.

The previous prime is 42288461. The next prime is 42288473. The reversal of 42288471 is 17488224.

It is not a de Polignac number, because 42288471 - 2¹⁹ = 41764183 is a prime.

It is a super-3 number, since 3×42288471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42288473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 123480 + ... + 123821.

It is an arithmetic number, because the mean of its divisors is an integer number (5358210).

Almost surely, 2^42288471 is an apocalyptic number.

42288471 is a deficient number, since it is larger than the sum of its proper divisors (22010049).

42288471 is a wasteful number, since it uses less digits than its factorization.

42288471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247326 (or 247323 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 42288471 is about 6502.9586343448. The cubic root of 42288471 is about 348.3966691657.

The spelling of 42288471 in words is "forty-two million, two hundred eighty-eight thousand, four hundred seventy-one".