40004650 has 24 divisors (see below), whose sum is σ = 85039200. Its totient is φ = 13715760.

The previous prime is 40004611. The next prime is 40004651. The reversal of 40004650 is 5640004.

It is not an unprimeable number, because it can be changed into a prime (40004651) 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 11 ways as a sum of consecutive naturals, for example, 56800 + ... + 57499.

It is an arithmetic number, because the mean of its divisors is an integer number (3543300).

Almost surely, 2^40004650 is an apocalyptic number.

40004650 is an abundant number, since it is smaller than the sum of its proper divisors (45034550).

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

40004650 is a wasteful number, since it uses less digits than its factorization.

40004650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114318 (or 114313 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 40004650 is about 6324.9229244316. The cubic root of 40004650 is about 342.0084411354.

Adding to 40004650 its reverse (5640004), we get a palindrome (45644654).

The spelling of 40004650 in words is "forty million, four thousand, six hundred fifty".