9219040436 has 12 divisors (see below), whose sum is σ = 16314594660. Its totient is φ = 4557727680.

The previous prime is 9219040421. The next prime is 9219040541. The reversal of 9219040436 is 6340409129.

It can be written as a sum of positive squares in 2 ways, for example, as 5342732836 + 3876307600 = 73094^2 + 62260^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9219040436.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12947735 + ... + 12948446.

It is an arithmetic number, because the mean of its divisors is an integer number (1359549555).

Almost surely, 2^9219040436 is an apocalyptic number.

It is an amenable number.

9219040436 is a deficient number, since it is larger than the sum of its proper divisors (7095554224).

9219040436 is a wasteful number, since it uses less digits than its factorization.

9219040436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25896274 (or 25896272 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 9219040436 is about 96015.8342983073. The cubic root of 9219040436 is about 2096.8236512579.

The spelling of 9219040436 in words is "nine billion, two hundred nineteen million, forty thousand, four hundred thirty-six".