402241956481 has 4 divisors (see below), whose sum is σ = 409831427412. Its totient is φ = 394652485552.

The previous prime is 402241956419. The next prime is 402241956509. The reversal of 402241956481 is 184659142204.

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 222161395600 + 180080560881 = 471340^2 + 424359^2 .

It is a cyclic number.

It is not a de Polignac number, because 402241956481 - 2¹⁷ = 402241825409 is a prime.

It is a super-2 number, since 2×402241956481² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402241951481) 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, 3794735386 + ... + 3794735491.

It is an arithmetic number, because the mean of its divisors is an integer number (102457856853).

Almost surely, 2^402241956481 is an apocalyptic number.

It is an amenable number.

402241956481 is a deficient number, since it is larger than the sum of its proper divisors (7589470931).

402241956481 is an equidigital number, since it uses as much as digits as its factorization.

402241956481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7589470930.

The product of its (nonzero) digits is 552960, while the sum is 46.

The spelling of 402241956481 in words is "four hundred two billion, two hundred forty-one million, nine hundred fifty-six thousand, four hundred eighty-one".