40040330 has 32 divisors (see below), whose sum is σ = 78926400. Its totient is φ = 14504320.

The previous prime is 40040293. The next prime is 40040393. The reversal of 40040330 is 3304004.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37646 + ... + 38694.

It is an arithmetic number, because the mean of its divisors is an integer number (2466450).

Almost surely, 2^40040330 is an apocalyptic number.

40040330 is a deficient number, since it is larger than the sum of its proper divisors (38886070).

40040330 is a wasteful number, since it uses less digits than its factorization.

40040330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 40040330 is about 6327.7428835249. The cubic root of 40040330 is about 342.1100896111.

Adding to 40040330 its reverse (3304004), we get a palindrome (43344334).

The spelling of 40040330 in words is "forty million, forty thousand, three hundred thirty".