2402261661242 has 8 divisors (see below), whose sum is σ = 3603415615956. Its totient is φ = 1201123122592.

The previous prime is 2402261661227. The next prime is 2402261661311. The reversal of 2402261661242 is 2421661622042.

It can be written as a sum of positive squares in 2 ways, for example, as 2052603501481 + 349658159761 = 1432691^2 + 591319^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2402261661242² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2402261661196 and 2402261661205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3456233 + ... + 4092684.

Almost surely, 2^{2402261661242} is an apocalyptic number.

2402261661242 is a deficient number, since it is larger than the sum of its proper divisors (1201153954714).

2402261661242 is a wasteful number, since it uses less digits than its factorization.

2402261661242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7708032.

The product of its (nonzero) digits is 110592, while the sum is 38.

The spelling of 2402261661242 in words is "two trillion, four hundred two billion, two hundred sixty-one million, six hundred sixty-one thousand, two hundred forty-two".