40609506 has 16 divisors (see below), whose sum is σ = 92821824. Its totient is φ = 11602704.

The previous prime is 40609489. The next prime is 40609519. The reversal of 40609506 is 60590604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 483405 + ... + 483488.

It is an arithmetic number, because the mean of its divisors is an integer number (5801364).

Almost surely, 2^40609506 is an apocalyptic number.

40609506 is an abundant number, since it is smaller than the sum of its proper divisors (52212318).

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

40609506 is a wasteful number, since it uses less digits than its factorization.

40609506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966905.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 40609506 is about 6372.5588267195. The cubic root of 40609506 is about 343.7235079969.

The spelling of 40609506 in words is "forty million, six hundred nine thousand, five hundred six".