40590064 has 20 divisors (see below), whose sum is σ = 78758104. Its totient is φ = 20265408.

The previous prime is 40590059. The next prime is 40590079. The reversal of 40590064 is 46009504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13114 + ... + 15910.

Almost surely, 2^40590064 is an apocalyptic number.

It is an amenable number.

40590064 is a deficient number, since it is larger than the sum of its proper divisors (38168040).

40590064 is a wasteful number, since it uses less digits than its factorization.

40590064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712 (or 3706 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40590064 is about 6371.0331972138. The cubic root of 40590064 is about 343.6686461363.

Adding to 40590064 its reverse (46009504), we get a palindrome (86599568).

The spelling of 40590064 in words is "forty million, five hundred ninety thousand, sixty-four".