40939430 has 16 divisors (see below), whose sum is σ = 84218400. Its totient is φ = 14036352.

The previous prime is 40939411. The next prime is 40939453. The reversal of 40939430 is 3493904.

It is a congruent number.

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, 292355 + ... + 292494.

It is an arithmetic number, because the mean of its divisors is an integer number (5263650).

Almost surely, 2^40939430 is an apocalyptic number.

40939430 is an abundant number, since it is smaller than the sum of its proper divisors (43278970).

40939430 is a wasteful number, since it uses less digits than its factorization.

40939430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584863.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 40939430 is about 6398.3927669376. The cubic root of 40939430 is about 344.6518366782.

The spelling of 40939430 in words is "forty million, nine hundred thirty-nine thousand, four hundred thirty".