9940909436 has 24 divisors (see below), whose sum is σ = 18030714240. Its totient is φ = 4791742272.

The previous prime is 9940909427. The next prime is 9940909513. The reversal of 9940909436 is 6349090499.

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, 291980 + ... + 324243.

It is an arithmetic number, because the mean of its divisors is an integer number (751279760).

Almost surely, 2^9940909436 is an apocalyptic number.

It is an amenable number.

9940909436 is a deficient number, since it is larger than the sum of its proper divisors (8089804804).

9940909436 is a wasteful number, since it uses less digits than its factorization.

9940909436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616373 (or 616371 counting only the distinct ones).

The product of its (nonzero) digits is 1889568, while the sum is 53.

The square root of 9940909436 is about 99704.1094238347. The cubic root of 9940909436 is about 2150.1827453103.

The spelling of 9940909436 in words is "nine billion, nine hundred forty million, nine hundred nine thousand, four hundred thirty-six".