631250940378 has 32 divisors (see below), whose sum is σ = 1263327916032. Its totient is φ = 210279366000.

The previous prime is 631250940377. The next prime is 631250940413. The reversal of 631250940378 is 873049052136.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (631250940371) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96356203 + ... + 96362753.

It is an arithmetic number, because the mean of its divisors is an integer number (39478997376).

It is a 1-persistent number, because it is pandigital, but 2⋅631250940378 = 1262501880756 is not.

Almost surely, 2^631250940378 is an apocalyptic number.

631250940378 is an abundant number, since it is smaller than the sum of its proper divisors (632076975654).

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

631250940378 is a wasteful number, since it uses less digits than its factorization.

631250940378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14610.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 631250940378 in words is "six hundred thirty-one billion, two hundred fifty million, nine hundred forty thousand, three hundred seventy-eight".