402240301973 has 2 divisors, whose sum is σ = 402240301974. Its totient is φ = 402240301972.

The previous prime is 402240301951. The next prime is 402240302041. The reversal of 402240301973 is 379103042204.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 374809655089 + 27430646884 = 612217^2 + 165622^2 .

It is a cyclic number.

It is not a de Polignac number, because 402240301973 - 2¹⁴ = 402240285589 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402240301913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201120150986 + 201120150987.

It is an arithmetic number, because the mean of its divisors is an integer number (201120150987).

Almost surely, 2^402240301973 is an apocalyptic number.

It is an amenable number.

402240301973 is a deficient number, since it is larger than the sum of its proper divisors (1).

402240301973 is an equidigital number, since it uses as much as digits as its factorization.

402240301973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 35.

The spelling of 402240301973 in words is "four hundred two billion, two hundred forty million, three hundred one thousand, nine hundred seventy-three".