402224032957 has 2 divisors, whose sum is σ = 402224032958. Its totient is φ = 402224032956.

The previous prime is 402224032949. The next prime is 402224033033. The reversal of 402224032957 is 759230422204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374138965561 + 28085067396 = 611669^2 + 167586^2 .

It is a cyclic number.

It is not a de Polignac number, because 402224032957 - 2³ = 402224032949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402224032057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201112016478 + 201112016479.

It is an arithmetic number, because the mean of its divisors is an integer number (201112016479).

Almost surely, 2^402224032957 is an apocalyptic number.

It is an amenable number.

402224032957 is a deficient number, since it is larger than the sum of its proper divisors (1).

402224032957 is an equidigital number, since it uses as much as digits as its factorization.

402224032957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 402224032957 in words is "four hundred two billion, two hundred twenty-four million, thirty-two thousand, nine hundred fifty-seven".