42431662 has 16 divisors (see below), whose sum is σ = 78335712. Its totient is φ = 16786080.

The previous prime is 42431651. The next prime is 42431663. The reversal of 42431662 is 26613424.

It is a self number, because there is not a number n which added to its sum of digits gives 42431662.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42431663) 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, 116389 + ... + 116752.

It is an arithmetic number, because the mean of its divisors is an integer number (4895982).

Almost surely, 2^42431662 is an apocalyptic number.

42431662 is a deficient number, since it is larger than the sum of its proper divisors (35904050).

42431662 is a wasteful number, since it uses less digits than its factorization.

42431662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233163.

The product of its digits is 6912, while the sum is 28.

The square root of 42431662 is about 6513.9590112312. The cubic root of 42431662 is about 348.7894560174.

The spelling of 42431662 in words is "forty-two million, four hundred thirty-one thousand, six hundred sixty-two".