4040021299 has 2 divisors, whose sum is σ = 4040021300. Its totient is φ = 4040021298.

The previous prime is 4040021263. The next prime is 4040021303. The reversal of 4040021299 is 9921200404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4040021299 - 2²³ = 4031632691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4040021299.

It is not a weakly prime, because it can be changed into another prime (4040024299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2020010649 + 2020010650.

It is an arithmetic number, because the mean of its divisors is an integer number (2020010650).

Almost surely, 2^4040021299 is an apocalyptic number.

4040021299 is a deficient number, since it is larger than the sum of its proper divisors (1).

4040021299 is an equidigital number, since it uses as much as digits as its factorization.

4040021299 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 4040021299 is about 63561.1618757870. The cubic root of 4040021299 is about 1592.6776472293.

The spelling of 4040021299 in words is "four billion, forty million, twenty-one thousand, two hundred ninety-nine".