402261241045 has 4 divisors (see below), whose sum is σ = 482713489260. Its totient is φ = 321808992832.

The previous prime is 402261241027. The next prime is 402261241049. The reversal of 402261241045 is 540142162204.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121743770724 + 280517470321 = 348918^2 + 529639^2 .

It is a cyclic number.

It is not a de Polignac number, because 402261241045 - 2⁵ = 402261241013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402261240998 and 402261241016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402261241049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40226124100 + ... + 40226124109.

It is an arithmetic number, because the mean of its divisors is an integer number (120678372315).

Almost surely, 2^402261241045 is an apocalyptic number.

It is an amenable number.

402261241045 is a deficient number, since it is larger than the sum of its proper divisors (80452248215).

402261241045 is an equidigital number, since it uses as much as digits as its factorization.

402261241045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80452248214.

The product of its (nonzero) digits is 15360, while the sum is 31.

The spelling of 402261241045 in words is "four hundred two billion, two hundred sixty-one million, two hundred forty-one thousand, forty-five".