42032406 has 16 divisors (see below), whose sum is σ = 90531504. Its totient is φ = 12933024.

The previous prime is 42032401. The next prime is 42032411. The reversal of 42032406 is 60423024.

It is an interprime number because it is at equal distance from previous prime (42032401) and next prime (42032411).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42032401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269361 + ... + 269516.

It is an arithmetic number, because the mean of its divisors is an integer number (5658219).

Almost surely, 2^42032406 is an apocalyptic number.

42032406 is an abundant number, since it is smaller than the sum of its proper divisors (48499098).

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

42032406 is a wasteful number, since it uses less digits than its factorization.

42032406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538895.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 42032406 is about 6483.2403935069. The cubic root of 42032406 is about 347.6920416004.

The spelling of 42032406 in words is "forty-two million, thirty-two thousand, four hundred six".