401006333252044 has 96 divisors (see below), whose sum is σ = 786669276395520. Its totient is φ = 177645266443008.

The previous prime is 401006333252039. The next prime is 401006333252053. The reversal of 401006333252044 is 440252333600104.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 401006333251994 and 401006333252012.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 175637097 + ... + 177905599.

It is an arithmetic number, because the mean of its divisors is an integer number (8194471629120).

Almost surely, 2^{401006333252044} is an apocalyptic number.

It is an amenable number.

401006333252044 is a deficient number, since it is larger than the sum of its proper divisors (385662943143476).

401006333252044 is a wasteful number, since it uses less digits than its factorization.

401006333252044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2269799 (or 2269797 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 37.

Adding to 401006333252044 its reverse (440252333600104), we get a palindrome (841258666852148).

The spelling of 401006333252044 in words is "four hundred one trillion, six billion, three hundred thirty-three million, two hundred fifty-two thousand, forty-four".