126401633046 has 48 divisors (see below), whose sum is σ = 299339227824. Its totient is φ = 38312315712.

The previous prime is 126401633041. The next prime is 126401633047. The reversal of 126401633046 is 640336104621.

126401633046 is a `hidden beast` number, since 1 + 2 + 640 + 1 + 6 + 3 + 3 + 0 + 4 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 126401633046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (126401633041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4015501 + ... + 4046856.

It is an arithmetic number, because the mean of its divisors is an integer number (6236233913).

Almost surely, 2^126401633046 is an apocalyptic number.

126401633046 is an abundant number, since it is smaller than the sum of its proper divisors (172937594778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

126401633046 is a wasteful number, since it uses less digits than its factorization.

126401633046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062445 (or 8062442 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 126401633046 its reverse (640336104621), we get a palindrome (766737737667).

The spelling of 126401633046 in words is "one hundred twenty-six billion, four hundred one million, six hundred thirty-three thousand, forty-six".