402210049 has 2 divisors, whose sum is σ = 402210050. Its totient is φ = 402210048.

The previous prime is 402210037. The next prime is 402210059. The reversal of 402210049 is 940012204.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351187600 + 51022449 = 18740^2 + 7143^2 .

It is a cyclic number.

It is not a de Polignac number, because 402210049 - 2¹³ = 402201857 is a prime.

It is not a weakly prime, because it can be changed into another prime (402210059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201105024 + 201105025.

It is an arithmetic number, because the mean of its divisors is an integer number (201105025).

Almost surely, 2^402210049 is an apocalyptic number.

It is an amenable number.

402210049 is a deficient number, since it is larger than the sum of its proper divisors (1).

402210049 is an equidigital number, since it uses as much as digits as its factorization.

402210049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 402210049 is about 20055.1751176598. The cubic root of 402210049 is about 738.1607898961.

The spelling of 402210049 in words is "four hundred two million, two hundred ten thousand, forty-nine".