1000631000442 has 64 divisors (see below), whose sum is σ = 2051289059328. Its totient is φ = 325258824000.

The previous prime is 1000631000429. The next prime is 1000631000527. The reversal of 1000631000442 is 2440001360001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 255848467 + ... + 255852377.

It is an arithmetic number, because the mean of its divisors is an integer number (32051391552).

Almost surely, 2^{1000631000442} is an apocalyptic number.

1000631000442 is an abundant number, since it is smaller than the sum of its proper divisors (1050658058886).

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

1000631000442 is a wasteful number, since it uses less digits than its factorization.

1000631000442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7035.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 1000631000442 its reverse (2440001360001), we get a palindrome (3440632360443).

The spelling of 1000631000442 in words is "one trillion, six hundred thirty-one million, four hundred forty-two", and thus it is an aban number.