1024638485694 has 16 divisors (see below), whose sum is σ = 2138375970432. Its totient is φ = 326696328728.

The previous prime is 1024638485623. The next prime is 1024638485713. The reversal of 1024638485694 is 4965848364201.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3712458144 + ... + 3712458419.

It is an arithmetic number, because the mean of its divisors is an integer number (133648498152).

Almost surely, 2^{1024638485694} is an apocalyptic number.

1024638485694 is an abundant number, since it is smaller than the sum of its proper divisors (1113737484738).

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

1024638485694 is a wasteful number, since it uses less digits than its factorization.

1024638485694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7424916591.

The product of its (nonzero) digits is 39813120, while the sum is 60.

The spelling of 1024638485694 in words is "one trillion, twenty-four billion, six hundred thirty-eight million, four hundred eighty-five thousand, six hundred ninety-four".