631550044246 has 16 divisors (see below), whose sum is σ = 1038800173968. Its totient is φ = 285580800000.

The previous prime is 631550044243. The next prime is 631550044253. The reversal of 631550044246 is 642440055136.

It is a junction number, because it is equal to n+sod(n) for n = 631550044199 and 631550044208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631550044243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74365755 + ... + 74374246.

It is an arithmetic number, because the mean of its divisors is an integer number (64925010873).

Almost surely, 2^631550044246 is an apocalyptic number.

631550044246 is a deficient number, since it is larger than the sum of its proper divisors (407250129722).

631550044246 is a wasteful number, since it uses less digits than its factorization.

631550044246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148740207.

The product of its (nonzero) digits is 345600, while the sum is 40.

The spelling of 631550044246 in words is "six hundred thirty-one billion, five hundred fifty million, forty-four thousand, two hundred forty-six".