940553443 has 4 divisors (see below), whose sum is σ = 943075408. Its totient is φ = 938031480.

The previous prime is 940553417. The next prime is 940553459. The reversal of 940553443 is 344355049.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-940553443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (940553413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1260423 + ... + 1261168.

It is an arithmetic number, because the mean of its divisors is an integer number (235768852).

Almost surely, 2^940553443 is an apocalyptic number.

940553443 is a deficient number, since it is larger than the sum of its proper divisors (2521965).

940553443 is a wasteful number, since it uses less digits than its factorization.

940553443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2521964.

The product of its (nonzero) digits is 129600, while the sum is 37.

The square root of 940553443 is about 30668.4437655385. The cubic root of 940553443 is about 979.7783210241.

The spelling of 940553443 in words is "nine hundred forty million, five hundred fifty-three thousand, four hundred forty-three".