402402232140371 has 2 divisors, whose sum is σ = 402402232140372. Its totient is φ = 402402232140370.

The previous prime is 402402232140319. The next prime is 402402232140449. The reversal of 402402232140371 is 173041232204204.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402402232140371 - 2⁴⁶ = 332033487962707 is a prime.

It is not a weakly prime, because it can be changed into another prime (402402232140971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201201116070185 + 201201116070186.

It is an arithmetic number, because the mean of its divisors is an integer number (201201116070186).

Almost surely, 2^{402402232140371} is an apocalyptic number.

402402232140371 is a deficient number, since it is larger than the sum of its proper divisors (1).

402402232140371 is an equidigital number, since it uses as much as digits as its factorization.

402402232140371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64512, while the sum is 35.

Adding to 402402232140371 its reverse (173041232204204), we get a palindrome (575443464344575).

The spelling of 402402232140371 in words is "four hundred two trillion, four hundred two billion, two hundred thirty-two million, one hundred forty thousand, three hundred seventy-one".