2042341256456 has 32 divisors (see below), whose sum is σ = 4069285876440. Its totient is φ = 957632068608.

The previous prime is 2042341256437. The next prime is 2042341256509. The reversal of 2042341256456 is 6546521432402.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2040355128100 + 1986128356 = 1428410^2 + 44566^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27069215 + ... + 27144558.

Almost surely, 2^{2042341256456} is an apocalyptic number.

It is an amenable number.

2042341256456 is a deficient number, since it is larger than the sum of its proper divisors (2026944619984).

2042341256456 is a wasteful number, since it uses less digits than its factorization.

2042341256456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54214073 (or 54214069 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 44.

Adding to 2042341256456 its reverse (6546521432402), we get a palindrome (8588862688858).

The spelling of 2042341256456 in words is "two trillion, forty-two billion, three hundred forty-one million, two hundred fifty-six thousand, four hundred fifty-six".