631460042 has 8 divisors (see below), whose sum is σ = 954004800. Its totient is φ = 313458444.

The previous prime is 631460029. The next prime is 631460047. The reversal of 631460042 is 240064136.

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

It is a junction number, because it is equal to n+sod(n) for n = 631459993 and 631460020.

It is not an unprimeable number, because it can be changed into a prime (631460047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1135442 + ... + 1135997.

It is an arithmetic number, because the mean of its divisors is an integer number (119250600).

Almost surely, 2^631460042 is an apocalyptic number.

631460042 is a deficient number, since it is larger than the sum of its proper divisors (322544758).

631460042 is a wasteful number, since it uses less digits than its factorization.

631460042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271580.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 631460042 is about 25128.8686971778. The cubic root of 631460042 is about 857.9236198202.

The spelling of 631460042 in words is "six hundred thirty-one million, four hundred sixty thousand, forty-two".