40943630 has 48 divisors (see below), whose sum is σ = 91230624. Its totient is φ = 12954240.

The previous prime is 40943587. The next prime is 40943659. The reversal of 40943630 is 3634904.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40943593 and 40943602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10100 + ... + 13560.

It is an arithmetic number, because the mean of its divisors is an integer number (1900638).

Almost surely, 2^40943630 is an apocalyptic number.

40943630 is an abundant number, since it is smaller than the sum of its proper divisors (50286994).

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

40943630 is a wasteful number, since it uses less digits than its factorization.

40943630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3501 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 40943630 is about 6398.7209659431. The cubic root of 40943630 is about 344.6636222862.

The spelling of 40943630 in words is "forty million, nine hundred forty-three thousand, six hundred thirty".