40589930 has 16 divisors (see below), whose sum is σ = 73149480. Its totient is φ = 16216512.

The previous prime is 40589929. The next prime is 40589933. The reversal of 40589930 is 3998504.

It can be written as a sum of positive squares in 4 ways, for example, as 19088161 + 21501769 = 4369^2 + 4637^2 .

It is not an unprimeable number, because it can be changed into a prime (40589933) 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, 8792 + ... + 12588.

Almost surely, 2^40589930 is an apocalyptic number.

40589930 is a deficient number, since it is larger than the sum of its proper divisors (32559550).

40589930 is a wasteful number, since it uses less digits than its factorization.

40589930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4873.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 40589930 is about 6371.0226808574. The cubic root of 40589930 is about 343.6682679514.

The spelling of 40589930 in words is "forty million, five hundred eighty-nine thousand, nine hundred thirty".